diff --git a/README.md b/README.md
index 4dd8d1b..e54c302 100644
--- a/README.md
+++ b/README.md
@@ -50,11 +50,7 @@ it via the `FcmChannel::class`. Here is an example:
 use Illuminate\Notifications\Notification;
 use NotificationChannels\Fcm\FcmChannel;
 use NotificationChannels\Fcm\FcmMessage;
-use NotificationChannels\Fcm\Resources\AndroidConfig;
-use NotificationChannels\Fcm\Resources\AndroidFcmOptions;
-use NotificationChannels\Fcm\Resources\AndroidNotification;
-use NotificationChannels\Fcm\Resources\ApnsConfig;
-use NotificationChannels\Fcm\Resources\ApnsFcmOptions;
+use NotificationChannels\Fcm\Resources\Notification as FcmNotification;
 
 class AccountActivated extends Notification
 {
@@ -65,19 +61,27 @@ class AccountActivated extends Notification
 
     public function toFcm($notifiable)
     {
-        return FcmMessage::create()
-            ->setData(['data1' => 'value', 'data2' => 'value2'])
-            ->setNotification(\NotificationChannels\Fcm\Resources\Notification::create()
-                ->setTitle('Account Activated')
-                ->setBody('Your account has been activated.')
-                ->setImage('http://example.com/url-to-image-here.png'))
-            ->setAndroid(
-                AndroidConfig::create()
-                    ->setFcmOptions(AndroidFcmOptions::create()->setAnalyticsLabel('analytics'))
-                    ->setNotification(AndroidNotification::create()->setColor('#0A0A0A'))
-            )->setApns(
-                ApnsConfig::create()
-                    ->setFcmOptions(ApnsFcmOptions::create()->setAnalyticsLabel('analytics_ios')));
+        return new FcmMessage(notification: new FcmNotification(
+                title: 'Account Activated',
+                body: 'Your account has been activated.',
+                image: 'http://example.com/url-to-image-here.png'
+            ))
+            ->data(['data1' => 'value', 'data2' => 'value2'])
+            ->custom([
+                'android' => [
+                    'notification' => [
+                        'color' => '#0A0A0A',
+                    ],
+                    'fcm_options' => [
+                        'analytics_label' => 'analytics',
+                    ],
+                ],
+                'apns' => [
+                    'fcm_options' => [
+                        'analytics_label' => 'analytics',
+                    ],
+                ],
+            ]);
     }
 }
 ```
@@ -132,45 +136,16 @@ $user->notify(new AccountActivated);
 
 ### Available Message methods
 
-The `FcmMessage` class contains the following methods for defining the payload. All these methods correspond to the 
-available payload defined in the 
-[FCM API documentation](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages). Refer to this link to
-find all the available data you can set in your FCM notification.
+View the `FcmMessage` source for the complete list of options.
 
 ```php
-setName(string $name)
-```
-
-```php
-setData(array $data)
-```
-
-```php
-setNotification(\NotificationChannels\Fcm\Resources\Notification $notification)
-```
-
-```php
-setAndroid(NotificationChannels\Fcm\Resources\AndroidConfig $androidConfig)
-```
-
-```php
-setApns(NotificationChannels\Fcm\Resources\ApnsConfig $apnsConfig)
-```
-
-```php
-setWebpush(NotificationChannels\Fcm\Resources\WebpushConfig $webpushConfig)
-```
-
-```php
-setFcmOptions(NotificationChannels\Fcm\Resources\FcmOptions $fcmOptions)
-```
-
-```php
-setTopic(string $topic)
-```
-
-```php
-setCondition(string $condition)
+FcmMessage::create()
+    ->name('name')
+    ->token('token')
+    ->topic('topic')
+    ->condition('condition')
+    ->data(['a' => 'b'])
+    ->custom(['notification' => []]);
 ```
 
 ## Custom clients
diff --git a/src/Exceptions/InvalidPropertyException.php b/src/Exceptions/InvalidPropertyException.php
deleted file mode 100644
index 2144a82..0000000
--- a/src/Exceptions/InvalidPropertyException.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Exceptions;
-
-use Exception;
-
-class InvalidPropertyException extends Exception
-{
-    public static function mustBeString($key)
-    {
-        return new static('The value of ' . $key . ' must be a string');
-    }
-}
diff --git a/src/FcmChannel.php b/src/FcmChannel.php
index cd219c1..076f35d 100644
--- a/src/FcmChannel.php
+++ b/src/FcmChannel.php
@@ -49,7 +49,7 @@ public function send($notifiable, Notification $notification): void
 
         collect($tokens)
             ->chunk(self::TOKENS_PER_REQUEST)
-            ->map(fn ($tokens) => ($fcmMessage->getClient() ?? $this->client)->sendMulticast($fcmMessage, $tokens->all()))
+            ->map(fn ($tokens) => ($fcmMessage->client ?? $this->client)->sendMulticast($fcmMessage, $tokens->all()))
             ->map(fn (MulticastSendReport $report) => $this->checkReportForFailures($notifiable, $notification, $report));
     }
 
diff --git a/src/FcmMessage.php b/src/FcmMessage.php
index aa611c1..b0d65ef 100644
--- a/src/FcmMessage.php
+++ b/src/FcmMessage.php
@@ -5,92 +5,40 @@
 use Illuminate\Support\Traits\Macroable;
 use Kreait\Firebase\Contract\Messaging;
 use Kreait\Firebase\Messaging\Message;
-use NotificationChannels\Fcm\Exceptions\InvalidPropertyException;
-use NotificationChannels\Fcm\Resources\AndroidConfig;
-use NotificationChannels\Fcm\Resources\ApnsConfig;
-use NotificationChannels\Fcm\Resources\FcmOptions;
 use NotificationChannels\Fcm\Resources\Notification;
-use NotificationChannels\Fcm\Resources\WebpushConfig;
 
 class FcmMessage implements Message
 {
     use Macroable;
 
     /**
-     * @var string|null
+     * Create a new message instance.
      */
-    protected $name;
-
-    /**
-     * @var array|null
-     */
-    protected $data;
-
-    /**
-     * @var Notification|null
-     */
-    protected $notification;
-
-    /**
-     * @var AndroidConfig|null
-     */
-    protected $android;
-
-    /**
-     * @var WebpushConfig|null
-     */
-    protected $webpush;
-
-    /**
-     * @var ApnsConfig|null
-     */
-    protected $apns;
-
-    /**
-     * @var FcmOptions|null
-     */
-    protected $fcmOptions;
-
-    /**
-     * @var string|null
-     */
-    protected $token;
-
-    /**
-     * @var string|null
-     */
-    protected $topic;
-
-    /**
-     * @var string|null
-     */
-    protected $condition;
-
-    /**
-     * The custom messaging client.
-     *
-     * @var \Kreait\Firebase\Contract\Messaging
-     */
-    protected $client;
-
-    public static function create(): self
-    {
-        return new self;
+    public function __construct(
+        public ?string $name = null,
+        public ?string $token = null,
+        public ?string $topic = null,
+        public ?string $condition = null,
+        public ?array $data = [],
+        public array $custom = [],
+        public ?Notification $notification = null,
+        public ?Messaging $client = null,
+    ) {
+        //
     }
 
     /**
-     * @return string|null
+     * Create a new message instance.
      */
-    public function getName(): ?string
+    public static function create(...$args): static
     {
-        return $this->name;
+        return new static(...$args);
     }
 
     /**
-     * @param  string|null  $name
-     * @return $this
+     * Set the message name.
      */
-    public function setName(?string $name): self
+    public function name(?string $name): self
     {
         $this->name = $name;
 
@@ -98,201 +46,69 @@ public function setName(?string $name): self
     }
 
     /**
-     * @return array|null
-     */
-    public function getData(): ?array
-    {
-        return $this->data;
-    }
-
-    /**
-     * @param  array<string, string>|null  $data
-     * @return $this
-     *
-     * @throws \NotificationChannels\Fcm\Exceptions\InvalidPropertyException
-     */
-    public function setData(?array $data): self
-    {
-        foreach ($data as $key => $item) {
-            if (! is_string($item)) {
-                throw InvalidPropertyException::mustBeString($key);
-            }
-        }
-
-        $this->data = $data;
-
-        return $this;
-    }
-
-    /**
-     * @return Notification|null
-     */
-    public function getNotification(): ?Notification
-    {
-        return $this->notification;
-    }
-
-    /**
-     * @param  Notification|null  $notification
-     * @return $this
-     */
-    public function setNotification(?Notification $notification): self
-    {
-        $this->notification = $notification;
-
-        return $this;
-    }
-
-    /**
-     * @return AndroidConfig|null
+     * Set the message token.
      */
-    public function getAndroid(): ?AndroidConfig
+    public function token(?string $token): self
     {
-        return $this->android;
-    }
-
-    /**
-     * @param  AndroidConfig|null  $android
-     * @return $this
-     */
-    public function setAndroid(?AndroidConfig $android): self
-    {
-        $this->android = $android;
-
-        return $this;
-    }
-
-    /**
-     * @return WebpushConfig|null
-     */
-    public function getWebpush(): ?WebpushConfig
-    {
-        return $this->webpush;
-    }
-
-    /**
-     * @param  WebpushConfig|null  $webpush
-     * @return $this
-     */
-    public function setWebpush(?WebpushConfig $webpush): self
-    {
-        $this->webpush = $webpush;
+        $this->token = $token;
 
         return $this;
     }
 
     /**
-     * @return ApnsConfig|null
-     */
-    public function getApns(): ?ApnsConfig
-    {
-        return $this->apns;
-    }
-
-    /**
-     * @param  ApnsConfig|null  $apns
-     * @return $this
+     * Set the message topic.s
      */
-    public function setApns(?ApnsConfig $apns): self
+    public function topic(?string $topic): self
     {
-        $this->apns = $apns;
+        $this->topic = $topic;
 
         return $this;
     }
 
     /**
-     * @return FcmOptions|null
+     * Set the message condition.
      */
-    public function getFcmOptions(): ?FcmOptions
+    public function condition(?string $condition): self
     {
-        return $this->fcmOptions;
-    }
-
-    /**
-     * @param  FcmOptions|null  $fcmOptions
-     * @return $this
-     */
-    public function setFcmOptions(?FcmOptions $fcmOptions): self
-    {
-        $this->fcmOptions = $fcmOptions;
+        $this->condition = $condition;
 
         return $this;
     }
 
     /**
-     * @return string|null
+     * Set the message data.
      */
-    public function getToken(): ?string
+    public function data(?array $data): self
     {
-        return $this->token;
-    }
-
-    /**
-     * @param  string|null  $token
-     * @return $this
-     */
-    public function setToken(?string $token): self
-    {
-        $this->token = $token;
+        $this->data = $data;
 
         return $this;
     }
 
     /**
-     * @return string|null
+     * Set additional custom message data.
      */
-    public function getTopic(): ?string
+    public function custom(?array $custom): self
     {
-        return $this->topic;
-    }
-
-    /**
-     * @param  string|null  $topic
-     * @return $this
-     */
-    public function setTopic(?string $topic): self
-    {
-        $this->topic = $topic;
+        $this->custom = $custom;
 
         return $this;
     }
 
     /**
-     * @return string|null
+     * Set the message notification.
      */
-    public function getCondition(): ?string
+    public function notification(Notification $notification): self
     {
-        return $this->condition;
-    }
-
-    /**
-     * @param  string|null  $condition
-     * @return $this
-     */
-    public function setCondition(?string $condition): self
-    {
-        $this->condition = $condition;
+        $this->notification = $notification;
 
         return $this;
     }
 
     /**
-     * Get the custom Firebase Messaging client.
-     *
-     * @return \Kreait\Firebase\Contract\Messaging|null
-     */
-    public function getClient(): ?Messaging
-    {
-        return $this->client;
-    }
-
-    /**
-     * Set the custom Firebase Messaging client instance.
-     *
-     * @param  \Kreait\Firebase\Contract\Messaging  $client
-     * @return $this
+     * Set the message Firebase Messaging client instance.
      */
-    public function usingClient(Messaging $client)
+    public function usingClient(Messaging $client): self
     {
         $this->client = $client;
 
@@ -301,29 +117,15 @@ public function usingClient(Messaging $client)
 
     public function toArray()
     {
-        $data = [
-            'name' => $this->getName(),
-            'data' => $this->getData(),
-            'notification' => ! is_null($this->getNotification()) ? $this->getNotification()->toArray() : null,
-            'android' => ! is_null($this->getAndroid()) ? $this->getAndroid()->toArray() : null,
-            'webpush' => ! is_null($this->getWebpush()) ? $this->getWebpush()->toArray() : null,
-            'apns' => ! is_null($this->getApns()) ? $this->getApns()->toArray() : null,
-            'fcm_options' => ! is_null($this->getFcmOptions()) ? $this->getFcmOptions()->toArray() : null,
-        ];
-
-        if ($token = $this->getToken()) {
-            $data['token'] = $token;
-        }
-
-        if ($topic = $this->getTopic()) {
-            $data['topic'] = $topic;
-        }
-
-        if ($condition = $this->getCondition()) {
-            $data['condition'] = $condition;
-        }
-
-        return $data;
+        return array_filter([
+            'name' => $this->name,
+            'data' => $this->data,
+            'token' => $this->token,
+            'topic' => $this->topic,
+            'condition' => $this->condition,
+            'notification' => $this->notification?->toArray(),
+            ...$this->custom,
+        ]);
     }
 
     /**
diff --git a/src/Resources/AndroidConfig.php b/src/Resources/AndroidConfig.php
deleted file mode 100644
index 4399a77..0000000
--- a/src/Resources/AndroidConfig.php
+++ /dev/null
@@ -1,208 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-use NotificationChannels\Fcm\Exceptions\InvalidPropertyException;
-
-class AndroidConfig implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $collapseKey;
-
-    /**
-     * @var AndroidMessagePriority|null
-     */
-    protected $priority;
-
-    /**
-     * @var string|null
-     */
-    protected $ttl;
-
-    /**
-     * @var string|null
-     */
-    protected $restrictedPackageName;
-
-    /**
-     * @var array|null
-     */
-    protected $data;
-
-    /**
-     * @var AndroidNotification|null
-     */
-    protected $notification;
-
-    /**
-     * @var AndroidFcmOptions|null
-     */
-    protected $fcmOptions;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getCollapseKey(): ?string
-    {
-        return $this->collapseKey;
-    }
-
-    /**
-     * @param  string|null  $collapseKey
-     * @return AndroidConfig
-     */
-    public function setCollapseKey(?string $collapseKey): self
-    {
-        $this->collapseKey = $collapseKey;
-
-        return $this;
-    }
-
-    /**
-     * @return AndroidMessagePriority|null
-     */
-    public function getPriority(): ?AndroidMessagePriority
-    {
-        return $this->priority;
-    }
-
-    /**
-     * @param  AndroidMessagePriority|null  $priority
-     * @return AndroidConfig
-     */
-    public function setPriority(?AndroidMessagePriority $priority): self
-    {
-        $this->priority = $priority;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getTtl(): ?string
-    {
-        return $this->ttl;
-    }
-
-    /**
-     * @param  string|null  $ttl
-     * @return AndroidConfig
-     */
-    public function setTtl(?string $ttl): self
-    {
-        $this->ttl = $ttl;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getRestrictedPackageName(): ?string
-    {
-        return $this->restrictedPackageName;
-    }
-
-    /**
-     * @param  string|null  $restrictedPackageName
-     * @return AndroidConfig
-     */
-    public function setRestrictedPackageName(?string $restrictedPackageName): self
-    {
-        $this->restrictedPackageName = $restrictedPackageName;
-
-        return $this;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getData(): ?array
-    {
-        return $this->data;
-    }
-
-    /**
-     * @param  array|null  $data
-     * @return AndroidConfig
-     *
-     * @throws \NotificationChannels\Fcm\Exceptions\InvalidPropertyException
-     */
-    public function setData(?array $data): self
-    {
-        foreach ($data as $key => $item) {
-            if (! is_string($item)) {
-                throw InvalidPropertyException::mustBeString($key);
-            }
-        }
-
-        $this->data = $data;
-
-        return $this;
-    }
-
-    /**
-     * @return AndroidNotification|null
-     */
-    public function getNotification(): ?AndroidNotification
-    {
-        return $this->notification;
-    }
-
-    /**
-     * @param  AndroidNotification|null  $notification
-     * @return AndroidConfig
-     */
-    public function setNotification(?AndroidNotification $notification): self
-    {
-        $this->notification = $notification;
-
-        return $this;
-    }
-
-    /**
-     * @return AndroidFcmOptions|null
-     */
-    public function getFcmOptions(): ?AndroidFcmOptions
-    {
-        return $this->fcmOptions;
-    }
-
-    /**
-     * @param  AndroidFcmOptions|null  $fcmOptions
-     * @return AndroidConfig
-     */
-    public function setFcmOptions(?AndroidFcmOptions $fcmOptions): self
-    {
-        $this->fcmOptions = $fcmOptions;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'collapse_key' => $this->getCollapseKey(),
-            'priority' => $this->getPriority()?->name,
-            'ttl' => $this->getTtl(),
-            'restricted_package_name' => $this->getRestrictedPackageName(),
-            'data' => $this->getData(),
-            'notification' => ! is_null($this->getNotification()) ? $this->getNotification()->toArray() : null,
-            'fcm_options' => ! is_null($this->getFcmOptions()) ? $this->getFcmOptions()->toArray() : null,
-        ];
-    }
-}
diff --git a/src/Resources/AndroidFcmOptions.php b/src/Resources/AndroidFcmOptions.php
deleted file mode 100644
index 5c0d292..0000000
--- a/src/Resources/AndroidFcmOptions.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class AndroidFcmOptions implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $analyticsLabel;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getAnalyticsLabel(): ?string
-    {
-        return $this->analyticsLabel;
-    }
-
-    /**
-     * @param  string|null  $analyticsLabel
-     * @return AndroidFcmOptions
-     */
-    public function setAnalyticsLabel(?string $analyticsLabel): self
-    {
-        $this->analyticsLabel = $analyticsLabel;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'analytics_label' => $this->getAnalyticsLabel(),
-        ];
-    }
-}
diff --git a/src/Resources/AndroidMessagePriority.php b/src/Resources/AndroidMessagePriority.php
deleted file mode 100644
index 66d554b..0000000
--- a/src/Resources/AndroidMessagePriority.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-enum AndroidMessagePriority
-{
-    case NORMAL;
-    case HIGH;
-}
diff --git a/src/Resources/AndroidNotification.php b/src/Resources/AndroidNotification.php
deleted file mode 100644
index 93edd7f..0000000
--- a/src/Resources/AndroidNotification.php
+++ /dev/null
@@ -1,648 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class AndroidNotification implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $title;
-
-    /**
-     * @var string|null
-     */
-    protected $body;
-
-    /**
-     * @var string|null
-     */
-    protected $icon;
-
-    /**
-     * @var string|null
-     */
-    protected $color;
-
-    /**
-     * @var string|null
-     */
-    protected $sound;
-
-    /**
-     * @var string|null
-     */
-    protected $tag;
-
-    /**
-     * @var string|null
-     */
-    protected $clickAction;
-
-    /**
-     * @var string|null
-     */
-    protected $bodyLocKey;
-
-    /**
-     * @var string[]|null
-     */
-    protected $bodyLocArgs;
-
-    /**
-     * @var string|null
-     */
-    protected $titleLocKey;
-
-    /**
-     * @var string[]|null
-     */
-    protected $titleLocArgs;
-
-    /**
-     * @var string|null
-     */
-    protected $channelId;
-
-    /**
-     * @var string|null
-     */
-    protected $ticker;
-
-    /**
-     * @var bool|null
-     */
-    protected $sticky;
-
-    /**
-     * @var string|null
-     */
-    protected $eventTime;
-
-    /**
-     * @var bool|null
-     */
-    protected $localOnly;
-
-    /**
-     * @var NotificationPriority|null
-     */
-    protected $notificationPriority;
-
-    /**
-     * @var bool|null
-     */
-    protected $defaultSound;
-
-    /**
-     * @var bool|null
-     */
-    protected $defaultVibrateTimings;
-
-    /**
-     * @var bool|null
-     */
-    protected $defaultLightSettings;
-
-    /**
-     * @var string[]|null
-     */
-    protected $vibrateTimings;
-
-    /**
-     * @var Visibility|null
-     */
-    protected $visibility;
-
-    /**
-     * @var int|null
-     */
-    protected $notificationCount;
-
-    /**
-     * @var LightSettings|null
-     */
-    protected $lightSettings;
-
-    /**
-     * @var string|null
-     */
-    protected $image;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getTitle(): ?string
-    {
-        return $this->title;
-    }
-
-    /**
-     * @param  string|null  $title
-     * @return AndroidNotification
-     */
-    public function setTitle(?string $title): self
-    {
-        $this->title = $title;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getBody(): ?string
-    {
-        return $this->body;
-    }
-
-    /**
-     * @param  string|null  $body
-     * @return AndroidNotification
-     */
-    public function setBody(?string $body): self
-    {
-        $this->body = $body;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getIcon(): ?string
-    {
-        return $this->icon;
-    }
-
-    /**
-     * @param  string|null  $icon
-     * @return AndroidNotification
-     */
-    public function setIcon(?string $icon): self
-    {
-        $this->icon = $icon;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getColor(): ?string
-    {
-        return $this->color;
-    }
-
-    /**
-     * @param  string|null  $color
-     * @return AndroidNotification
-     */
-    public function setColor(?string $color): self
-    {
-        $this->color = $color;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getSound(): ?string
-    {
-        return $this->sound;
-    }
-
-    /**
-     * @param  string|null  $sound
-     * @return AndroidNotification
-     */
-    public function setSound(?string $sound): self
-    {
-        $this->sound = $sound;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getTag(): ?string
-    {
-        return $this->tag;
-    }
-
-    /**
-     * @param  string|null  $tag
-     * @return AndroidNotification
-     */
-    public function setTag(?string $tag): self
-    {
-        $this->tag = $tag;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getClickAction(): ?string
-    {
-        return $this->clickAction;
-    }
-
-    /**
-     * @param  string|null  $clickAction
-     * @return AndroidNotification
-     */
-    public function setClickAction(?string $clickAction): self
-    {
-        $this->clickAction = $clickAction;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getBodyLocKey(): ?string
-    {
-        return $this->bodyLocKey;
-    }
-
-    /**
-     * @param  string|null  $bodyLocKey
-     * @return AndroidNotification
-     */
-    public function setBodyLocKey(?string $bodyLocKey): self
-    {
-        $this->bodyLocKey = $bodyLocKey;
-
-        return $this;
-    }
-
-    /**
-     * @return string[]|null
-     */
-    public function getBodyLocArgs(): ?array
-    {
-        return $this->bodyLocArgs;
-    }
-
-    /**
-     * @param  string[]|null  $bodyLocArgs
-     * @return AndroidNotification
-     */
-    public function setBodyLocArgs(?array $bodyLocArgs): self
-    {
-        $this->bodyLocArgs = $bodyLocArgs;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getTitleLocKey(): ?string
-    {
-        return $this->titleLocKey;
-    }
-
-    /**
-     * @param  string|null  $titleLocKey
-     * @return AndroidNotification
-     */
-    public function setTitleLocKey(?string $titleLocKey): self
-    {
-        $this->titleLocKey = $titleLocKey;
-
-        return $this;
-    }
-
-    /**
-     * @return string[]|null
-     */
-    public function getTitleLocArgs(): ?array
-    {
-        return $this->titleLocArgs;
-    }
-
-    /**
-     * @param  string[]|null  $titleLocArgs
-     * @return AndroidNotification
-     */
-    public function setTitleLocArgs(?array $titleLocArgs): self
-    {
-        $this->titleLocArgs = $titleLocArgs;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getChannelId(): ?string
-    {
-        return $this->channelId;
-    }
-
-    /**
-     * @param  string|null  $channelId
-     * @return AndroidNotification
-     */
-    public function setChannelId(?string $channelId): self
-    {
-        $this->channelId = $channelId;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getTicker(): ?string
-    {
-        return $this->ticker;
-    }
-
-    /**
-     * @param  string|null  $ticker
-     * @return AndroidNotification
-     */
-    public function setTicker(?string $ticker): self
-    {
-        $this->ticker = $ticker;
-
-        return $this;
-    }
-
-    /**
-     * @return bool|null
-     */
-    public function getSticky(): ?bool
-    {
-        return $this->sticky;
-    }
-
-    /**
-     * @param  bool|null  $sticky
-     * @return AndroidNotification
-     */
-    public function setSticky(?bool $sticky): self
-    {
-        $this->sticky = $sticky;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getEventTime(): ?string
-    {
-        return $this->eventTime;
-    }
-
-    /**
-     * @param  string|null  $eventTime
-     * @return AndroidNotification
-     */
-    public function setEventTime(?string $eventTime): self
-    {
-        $this->eventTime = $eventTime;
-
-        return $this;
-    }
-
-    /**
-     * @return bool|null
-     */
-    public function getLocalOnly(): ?bool
-    {
-        return $this->localOnly;
-    }
-
-    /**
-     * @param  bool|null  $localOnly
-     * @return AndroidNotification
-     */
-    public function setLocalOnly(?bool $localOnly): self
-    {
-        $this->localOnly = $localOnly;
-
-        return $this;
-    }
-
-    /**
-     * @return NotificationPriority|null
-     */
-    public function getNotificationPriority(): ?NotificationPriority
-    {
-        return $this->notificationPriority;
-    }
-
-    /**
-     * @param  NotificationPriority|null  $notificationPriority
-     * @return AndroidNotification
-     */
-    public function setNotificationPriority(?NotificationPriority $notificationPriority): self
-    {
-        $this->notificationPriority = $notificationPriority;
-
-        return $this;
-    }
-
-    /**
-     * @return bool|null
-     */
-    public function getDefaultSound(): ?bool
-    {
-        return $this->defaultSound;
-    }
-
-    /**
-     * @param  bool|null  $defaultSound
-     * @return AndroidNotification
-     */
-    public function setDefaultSound(?bool $defaultSound): self
-    {
-        $this->defaultSound = $defaultSound;
-
-        return $this;
-    }
-
-    /**
-     * @return bool|null
-     */
-    public function getDefaultVibrateTimings(): ?bool
-    {
-        return $this->defaultVibrateTimings;
-    }
-
-    /**
-     * @param  bool|null  $defaultVibrateTimings
-     * @return AndroidNotification
-     */
-    public function setDefaultVibrateTimings(?bool $defaultVibrateTimings): self
-    {
-        $this->defaultVibrateTimings = $defaultVibrateTimings;
-
-        return $this;
-    }
-
-    /**
-     * @return bool|null
-     */
-    public function getDefaultLightSettings(): ?bool
-    {
-        return $this->defaultLightSettings;
-    }
-
-    /**
-     * @param  bool|null  $defaultLightSettings
-     * @return AndroidNotification
-     */
-    public function setDefaultLightSettings(?bool $defaultLightSettings): self
-    {
-        $this->defaultLightSettings = $defaultLightSettings;
-
-        return $this;
-    }
-
-    /**
-     * @return string[]|null
-     */
-    public function getVibrateTimings(): ?array
-    {
-        return $this->vibrateTimings;
-    }
-
-    /**
-     * @param  string[]|null  $vibrateTimings
-     * @return AndroidNotification
-     */
-    public function setVibrateTimings(?array $vibrateTimings): self
-    {
-        $this->vibrateTimings = $vibrateTimings;
-
-        return $this;
-    }
-
-    /**
-     * @return Visibility|null
-     */
-    public function getVisibility(): ?Visibility
-    {
-        return $this->visibility;
-    }
-
-    /**
-     * @param  Visibility|null  $visibility
-     * @return AndroidNotification
-     */
-    public function setVisibility(?Visibility $visibility): self
-    {
-        $this->visibility = $visibility;
-
-        return $this;
-    }
-
-    /**
-     * @return int|null
-     */
-    public function getNotificationCount(): ?int
-    {
-        return $this->notificationCount;
-    }
-
-    /**
-     * @param  int|null  $notificationCount
-     * @return AndroidNotification
-     */
-    public function setNotificationCount(?int $notificationCount): self
-    {
-        $this->notificationCount = $notificationCount;
-
-        return $this;
-    }
-
-    /**
-     * @return LightSettings|null
-     */
-    public function getLightSettings(): ?LightSettings
-    {
-        return $this->lightSettings;
-    }
-
-    /**
-     * @param  LightSettings|null  $lightSettings
-     * @return AndroidNotification
-     */
-    public function setLightSettings(?LightSettings $lightSettings): self
-    {
-        $this->lightSettings = $lightSettings;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getImage(): ?string
-    {
-        return $this->image;
-    }
-
-    /**
-     * @param  string|null  $image
-     * @return AndroidNotification
-     */
-    public function setImage(?string $image): self
-    {
-        $this->image = $image;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'title' => $this->getTitle(),
-            'body' => $this->getBody(),
-            'icon' => $this->getIcon(),
-            'color' => $this->getColor(),
-            'sound' => $this->getSound(),
-            'tag' => $this->getTag(),
-            'click_action' => $this->getClickAction(),
-            'body_loc_key' => $this->getBodyLocKey(),
-            'body_loc_args' => $this->getBodyLocArgs(),
-            'title_loc_key' => $this->getTitleLocKey(),
-            'title_loc_args' => $this->getTitleLocArgs(),
-            'channel_id' => $this->getChannelId(),
-            'ticker' => $this->getTicker(),
-            'sticky' => $this->getSticky(),
-            'event_time' => $this->getEventTime(),
-            'local_only' => $this->getLocalOnly(),
-            'notification_priority' => $this->getNotificationPriority()?->name,
-            'default_sound' => $this->getDefaultSound(),
-            'default_vibrate_timings' => $this->getDefaultVibrateTimings(),
-            'default_light_settings' => $this->getDefaultLightSettings(),
-            'vibrate_timings' => $this->getVibrateTimings(),
-            'visibility' => $this->getVisibility()?->value,
-            'notification_count' => $this->getNotificationCount(),
-            // 'light_setings' => ! is_null($this->getLightSettings()) ? $this->getLightSettings()->toArray() : null,
-            'image' => $this->getImage(),
-        ];
-    }
-}
diff --git a/src/Resources/ApnsConfig.php b/src/Resources/ApnsConfig.php
deleted file mode 100644
index 331f7c7..0000000
--- a/src/Resources/ApnsConfig.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class ApnsConfig implements FcmResource
-{
-    /**
-     * @var array|null
-     */
-    protected $headers;
-
-    /**
-     * @var array|null
-     */
-    protected $payload;
-
-    /**
-     * @var ApnsFcmOptions
-     */
-    protected $fcmOptions;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getHeaders(): ?array
-    {
-        return $this->headers;
-    }
-
-    /**
-     * @param  array|null  $headers
-     * @return ApnsConfig
-     */
-    public function setHeaders(?array $headers): self
-    {
-        $this->headers = $headers;
-
-        return $this;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getPayload(): ?array
-    {
-        return $this->payload;
-    }
-
-    /**
-     * @param  array|null  $payload
-     * @return ApnsConfig
-     */
-    public function setPayload(?array $payload): self
-    {
-        $this->payload = $payload;
-
-        return $this;
-    }
-
-    /**
-     * @return ApnsFcmOptions|null
-     */
-    public function getFcmOptions(): ?ApnsFcmOptions
-    {
-        return $this->fcmOptions;
-    }
-
-    /**
-     * @param  ApnsFcmOptions  $fcmOptions
-     * @return ApnsConfig
-     */
-    public function setFcmOptions(ApnsFcmOptions $fcmOptions): self
-    {
-        $this->fcmOptions = $fcmOptions;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'headers' => $this->getHeaders(),
-            'payload' => $this->getPayload(),
-            'fcm_options' => ! is_null($this->getFcmOptions()) ? $this->getFcmOptions()->toArray() : null,
-        ];
-    }
-}
diff --git a/src/Resources/ApnsFcmOptions.php b/src/Resources/ApnsFcmOptions.php
deleted file mode 100644
index 5e1d20d..0000000
--- a/src/Resources/ApnsFcmOptions.php
+++ /dev/null
@@ -1,73 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class ApnsFcmOptions implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $analyticsLabel;
-
-    /**
-     * @var string|null
-     */
-    protected $image;
-
-    /**
-     * @return string|null
-     */
-    public function getAnalyticsLabel(): ?string
-    {
-        return $this->analyticsLabel;
-    }
-
-    /**
-     * @param  string|null  $analyticsLabel
-     * @return ApnsFcmOptions
-     */
-    public function setAnalyticsLabel(?string $analyticsLabel): self
-    {
-        $this->analyticsLabel = $analyticsLabel;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getImage(): ?string
-    {
-        return $this->image;
-    }
-
-    /**
-     * @param  string|null  $image
-     * @return ApnsFcmOptions
-     */
-    public function setImage(?string $image): self
-    {
-        $this->image = $image;
-
-        return $this;
-    }
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'analytics_label' => $this->getAnalyticsLabel(),
-            'image' => $this->getImage(),
-        ];
-    }
-}
diff --git a/src/Resources/Color.php b/src/Resources/Color.php
deleted file mode 100644
index 4b7bf34..0000000
--- a/src/Resources/Color.php
+++ /dev/null
@@ -1,123 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class Color implements FcmResource
-{
-    /**
-     * @var float|null
-     */
-    protected $red;
-
-    /**
-     * @var float|null
-     */
-    protected $green;
-
-    /**
-     * @var float|null
-     */
-    protected $blue;
-
-    /**
-     * @var float|null
-     */
-    protected $alpha;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return float|null
-     */
-    public function getRed(): ?float
-    {
-        return $this->red;
-    }
-
-    /**
-     * @param  float|null  $red
-     * @return Color
-     */
-    public function setRed(?float $red): self
-    {
-        $this->red = $red;
-
-        return $this;
-    }
-
-    /**
-     * @return float|null
-     */
-    public function getGreen(): ?float
-    {
-        return $this->green;
-    }
-
-    /**
-     * @param  float|null  $green
-     * @return Color
-     */
-    public function setGreen(?float $green): self
-    {
-        $this->green = $green;
-
-        return $this;
-    }
-
-    /**
-     * @return float|null
-     */
-    public function getBlue(): ?float
-    {
-        return $this->blue;
-    }
-
-    /**
-     * @param  float|null  $blue
-     * @return Color
-     */
-    public function setBlue(?float $blue): self
-    {
-        $this->blue = $blue;
-
-        return $this;
-    }
-
-    /**
-     * @return float|null
-     */
-    public function getAlpha(): ?float
-    {
-        return $this->alpha;
-    }
-
-    /**
-     * @param  float|null  $alpha
-     * @return Color
-     */
-    public function setAlpha(?float $alpha): self
-    {
-        $this->alpha = $alpha;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'red' => $this->getRed(),
-            'green' => $this->getGreen(),
-            'blue' => $this->getBlue(),
-            'alpha' => $this->getAlpha(),
-        ];
-    }
-}
diff --git a/src/Resources/FcmOptions.php b/src/Resources/FcmOptions.php
deleted file mode 100644
index 51c83c0..0000000
--- a/src/Resources/FcmOptions.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class FcmOptions implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $analyticsLabel;
-
-    /**
-     * @return string|null
-     */
-    public function getAnalyticsLabel(): ?string
-    {
-        return $this->analyticsLabel;
-    }
-
-    /**
-     * @param  string|null  $analyticsLabel
-     * @return FcmOptions
-     */
-    public function setAnalyticsLabel(?string $analyticsLabel): self
-    {
-        $this->analyticsLabel = $analyticsLabel;
-
-        return $this;
-    }
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'analytics_label' => $this->getAnalyticsLabel(),
-        ];
-    }
-}
diff --git a/src/Resources/FcmResource.php b/src/Resources/FcmResource.php
index 51b24b2..3c9b9e5 100644
--- a/src/Resources/FcmResource.php
+++ b/src/Resources/FcmResource.php
@@ -2,10 +2,18 @@
 
 namespace NotificationChannels\Fcm\Resources;
 
-interface FcmResource
+abstract class FcmResource
 {
     /**
-     * @return array
+     * @return static
      */
-    public function toArray(): array;
+    public static function create(...$args): static
+    {
+        return new static(...$args);
+    }
+
+    /**
+     * Map the resource to an array.
+     */
+    abstract public function toArray(): array;
 }
diff --git a/src/Resources/LightSettings.php b/src/Resources/LightSettings.php
deleted file mode 100644
index 4e98418..0000000
--- a/src/Resources/LightSettings.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class LightSettings implements FcmResource
-{
-    /**
-     * @var Color
-     */
-    protected $color;
-
-    /**
-     * @var string|null
-     */
-    protected $lightOnDuration;
-
-    /**
-     * @var string|null
-     */
-    protected $lightOffDuration;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return Color
-     */
-    public function getColor(): Color
-    {
-        return $this->color;
-    }
-
-    /**
-     * @param  Color  $color
-     * @return LightSettings
-     */
-    public function setColor(Color $color): self
-    {
-        $this->color = $color;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getLightOnDuration(): ?string
-    {
-        return $this->lightOnDuration;
-    }
-
-    /**
-     * @param  string|null  $lightOnDuration
-     * @return LightSettings
-     */
-    public function setLightOnDuration(?string $lightOnDuration): self
-    {
-        $this->lightOnDuration = $lightOnDuration;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getLightOffDuration(): ?string
-    {
-        return $this->lightOffDuration;
-    }
-
-    /**
-     * @param  string|null  $lightOffDuration
-     * @return LightSettings
-     */
-    public function setLightOffDuration(?string $lightOffDuration): self
-    {
-        $this->lightOffDuration = $lightOffDuration;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'color' => ! is_null($this->getColor()) ? $this->getColor()->toArray() : null,
-            'light_on_duration' => $this->getLightOnDuration(),
-            'light_off_duration' => $this->getLightOffDuration(),
-        ];
-    }
-}
diff --git a/src/Resources/Notification.php b/src/Resources/Notification.php
index 6bcfe2f..60f7d73 100644
--- a/src/Resources/Notification.php
+++ b/src/Resources/Notification.php
@@ -2,36 +2,23 @@
 
 namespace NotificationChannels\Fcm\Resources;
 
-class Notification implements FcmResource
+class Notification extends FcmResource
 {
     /**
-     * @var string|null
+     * Create a new notification instance.
      */
-    protected $title;
-
-    /**
-     * @var string|null
-     */
-    protected $body;
-
-    /**
-     * @var string|null
-     */
-    protected $image;
-
-    /**
-     * @return string|null
-     */
-    public function getTitle(): ?string
-    {
-        return $this->title;
+    public function __construct(
+        public ?string $title = null,
+        public ?string $body = null,
+        public ?string $image = null
+    ) {
+        //
     }
 
     /**
-     * @param  string|null  $title
-     * @return Notification
+     * Set the notification title.
      */
-    public function setTitle(?string $title): self
+    public function title(?string $title): self
     {
         $this->title = $title;
 
@@ -39,18 +26,9 @@ public function setTitle(?string $title): self
     }
 
     /**
-     * @return string|null
+     * Set the notification body.
      */
-    public function getBody(): ?string
-    {
-        return $this->body;
-    }
-
-    /**
-     * @param  string|null  $body
-     * @return Notification
-     */
-    public function setBody(?string $body): self
+    public function body(?string $body): self
     {
         $this->body = $body;
 
@@ -58,18 +36,9 @@ public function setBody(?string $body): self
     }
 
     /**
-     * @return string|null
-     */
-    public function getImage(): ?string
-    {
-        return $this->image;
-    }
-
-    /**
-     * @param  string|null  $image
-     * @return Notification
+     * Set the notification image.
      */
-    public function setImage(?string $image): self
+    public function image(?string $image): self
     {
         $this->image = $image;
 
@@ -77,22 +46,14 @@ public function setImage(?string $image): self
     }
 
     /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * {@inheritdoc}
+     * Map the resource to an array.
      */
     public function toArray(): array
     {
-        return [
-            'title' => $this->getTitle(),
-            'body' => $this->getBody(),
-            'image' => $this->getImage(),
-        ];
+        return array_filter([
+            'title' => $this->title,
+            'body' => $this->body,
+            'image' => $this->image,
+        ]);
     }
 }
diff --git a/src/Resources/NotificationPriority.php b/src/Resources/NotificationPriority.php
deleted file mode 100644
index a46297a..0000000
--- a/src/Resources/NotificationPriority.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-enum NotificationPriority
-{
-    case PRIORITY_UNSPECIFIED;
-    case PRIORITY_MIN;
-    case PRIORITY_LOW;
-    case PRIORITY_DEFAULT;
-    case PRIORITY_HIGH;
-    case PRIORITY_MAX;
-}
diff --git a/src/Resources/Visibility.php b/src/Resources/Visibility.php
deleted file mode 100644
index dfb396d..0000000
--- a/src/Resources/Visibility.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-enum Visibility: string
-{
-    case VISIBILITY_UNSPECIFIED = 'UNSPECIFIED';
-    case VISIBILITY_PRIVATE = 'PRIVATE';
-    case VISIBILITY_PUBLIC = 'PUBLIC';
-    case VISIBILITY_SECRET = 'SECRET';
-}
diff --git a/src/Resources/WebpushConfig.php b/src/Resources/WebpushConfig.php
deleted file mode 100644
index be19e5b..0000000
--- a/src/Resources/WebpushConfig.php
+++ /dev/null
@@ -1,133 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-use NotificationChannels\Fcm\Exceptions\InvalidPropertyException;
-
-class WebpushConfig implements FcmResource
-{
-    /**
-     * @var array|null
-     */
-    protected $headers;
-
-    /**
-     * @var array|null
-     */
-    protected $data;
-
-    /**
-     * @var array|null
-     */
-    protected $notification;
-
-    /**
-     * @var WebpushFcmOptions|null
-     */
-    protected $fcmOptions;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getHeaders(): ?array
-    {
-        return $this->headers;
-    }
-
-    /**
-     * @param  array|null  $headers
-     * @return WebpushConfig
-     */
-    public function setHeaders(?array $headers): self
-    {
-        $this->headers = $headers;
-
-        return $this;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getData(): ?array
-    {
-        return $this->data;
-    }
-
-    /**
-     * @param  array|null  $data
-     * @return WebpushConfig
-     *
-     * @throws \NotificationChannels\Fcm\Exceptions\InvalidPropertyException
-     */
-    public function setData(?array $data): self
-    {
-        foreach ($data as $key => $item) {
-            if (! is_string($item)) {
-                throw InvalidPropertyException::mustBeString($key);
-            }
-        }
-
-        $this->data = $data;
-
-        return $this;
-    }
-
-    /**
-     * @return array|null
-     */
-    public function getNotification(): ?array
-    {
-        return $this->notification;
-    }
-
-    /**
-     * @param  array|null  $notification
-     * @return WebpushConfig
-     */
-    public function setNotification(?array $notification): self
-    {
-        $this->notification = $notification;
-
-        return $this;
-    }
-
-    /**
-     * @return WebpushFcmOptions|null
-     */
-    public function getFcmOptions(): ?WebpushFcmOptions
-    {
-        return $this->fcmOptions;
-    }
-
-    /**
-     * @param  WebpushFcmOptions|null  $fcmOptions
-     * @return WebpushConfig
-     */
-    public function setFcmOptions(?WebpushFcmOptions $fcmOptions): self
-    {
-        $this->fcmOptions = $fcmOptions;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'headers' => $this->getHeaders(),
-            'data' => $this->getData(),
-            'notification' => $this->getNotification(),
-            'fcm_options' => ! is_null($this->getFcmOptions()) ? $this->getFcmOptions()->toArray() : null,
-        ];
-    }
-}
diff --git a/src/Resources/WebpushFcmOptions.php b/src/Resources/WebpushFcmOptions.php
deleted file mode 100644
index 1126498..0000000
--- a/src/Resources/WebpushFcmOptions.php
+++ /dev/null
@@ -1,73 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Resources;
-
-class WebpushFcmOptions implements FcmResource
-{
-    /**
-     * @var string|null
-     */
-    protected $link;
-
-    /**
-     * @var string|null
-     */
-    protected $analyticsLabel;
-
-    /**
-     * @return static
-     */
-    public static function create(): self
-    {
-        return new self;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getLink(): ?string
-    {
-        return $this->link;
-    }
-
-    /**
-     * @param  string|null  $link
-     * @return WebpushFcmOptions
-     */
-    public function setLink(?string $link): self
-    {
-        $this->link = $link;
-
-        return $this;
-    }
-
-    /**
-     * @return string|null
-     */
-    public function getAnalyticsLabel(): ?string
-    {
-        return $this->analyticsLabel;
-    }
-
-    /**
-     * @param  string|null  $analyticsLabel
-     * @return WebpushFcmOptions
-     */
-    public function setAnalyticsLabel(?string $analyticsLabel): self
-    {
-        $this->analyticsLabel = $analyticsLabel;
-
-        return $this;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function toArray(): array
-    {
-        return [
-            'link' => $this->getLink(),
-            'analytics_label' => $this->getAnalyticsLabel(),
-        ];
-    }
-}
diff --git a/tests/FcmMessageTest.php b/tests/FcmMessageTest.php
new file mode 100644
index 0000000..a264fb5
--- /dev/null
+++ b/tests/FcmMessageTest.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace NotificationChannels\Fcm\Test;
+
+use Kreait\Firebase\Contract\Messaging;
+use Mockery;
+use NotificationChannels\Fcm\FcmMessage;
+use NotificationChannels\Fcm\Resources\Notification;
+use PHPUnit\Framework\TestCase;
+
+class FcmMessageTest extends TestCase
+{
+    public function test_it_can_be_instantiated()
+    {
+        $message = new FcmMessage(name: 'name');
+
+        $this->assertInstanceOf(FcmMessage::class, $message);
+
+        $this->assertEquals('name', $message->name);
+    }
+
+    public function test_it_can_be_created()
+    {
+        $message = FcmMessage::create(name: 'name');
+
+        $this->assertInstanceOf(FcmMessage::class, $message);
+
+        $this->assertEquals('name', $message->name);
+    }
+
+    public function test_it_can_set_name()
+    {
+        $message = FcmMessage::create()->name('name');
+
+        $this->assertEquals(['name' => 'name'], $message->toArray());
+    }
+
+    public function test_it_can_set_token()
+    {
+        $message = FcmMessage::create()->token('token');
+
+        $this->assertEquals(['token' => 'token'], $message->toArray());
+    }
+
+    public function test_it_can_set_topic()
+    {
+        $message = FcmMessage::create()->topic('topic');
+
+        $this->assertEquals(['topic' => 'topic'], $message->toArray());
+    }
+
+    public function test_it_can_set_condition()
+    {
+        $message = FcmMessage::create()->condition('condition');
+
+        $this->assertEquals(['condition' => 'condition'], $message->toArray());
+    }
+
+    public function test_it_can_set_data()
+    {
+        $message = FcmMessage::create()->data(['a' => 'b']);
+
+        $this->assertEquals(['data' => ['a' => 'b']], $message->toArray());
+    }
+
+    public function test_it_can_set_custom_attributes()
+    {
+        $message = FcmMessage::create()
+            ->name('name')
+            ->custom([
+                'notification' => [
+                    'title' => 'title',
+                ],
+            ]);
+
+        $expected = [
+            'name' => 'name',
+            'notification' => [
+                'title' => 'title',
+            ],
+        ];
+
+        $this->assertEquals($expected, $message->toArray());
+    }
+
+    public function test_it_can_set_notification()
+    {
+        $notification = Notification::create()->title('title');
+
+        $message = FcmMessage::create()->notification($notification);
+
+        $this->assertEquals([
+            'notification' => ['title' => 'title'],
+        ], $message->toArray());
+    }
+
+    public function test_it_can_set_client()
+    {
+        $client = Mockery::mock(Messaging::class);
+
+        $message = FcmMessage::create()->usingClient($client);
+
+        $this->assertSame($client, $message->client);
+    }
+}
diff --git a/tests/Resources/AndroidMessagePriorityTest.php b/tests/Resources/AndroidMessagePriorityTest.php
deleted file mode 100644
index f927b34..0000000
--- a/tests/Resources/AndroidMessagePriorityTest.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Test\Resources;
-
-use NotificationChannels\Fcm\Resources\AndroidMessagePriority;
-use PHPUnit\Framework\TestCase;
-
-class AndroidMessagePriorityTest extends TestCase
-{
-    /** @test */
-    public function it_can_be_instantiated()
-    {
-        $instance = AndroidMessagePriority::NORMAL;
-
-        $this->assertInstanceOf(AndroidMessagePriority::class, $instance);
-    }
-}
diff --git a/tests/Resources/NotificationPriorityTest.php b/tests/Resources/NotificationPriorityTest.php
deleted file mode 100644
index a28f843..0000000
--- a/tests/Resources/NotificationPriorityTest.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Test\Resources;
-
-use NotificationChannels\Fcm\Resources\NotificationPriority;
-use PHPUnit\Framework\TestCase;
-
-class NotificationPriorityTest extends TestCase
-{
-    /** @test */
-    public function it_can_be_instantiated()
-    {
-        $instance = NotificationPriority::PRIORITY_UNSPECIFIED;
-
-        $this->assertInstanceOf(NotificationPriority::class, $instance);
-    }
-}
diff --git a/tests/Resources/NotificationTest.php b/tests/Resources/NotificationTest.php
new file mode 100644
index 0000000..237f00a
--- /dev/null
+++ b/tests/Resources/NotificationTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace NotificationChannels\Fcm\Test\Resources;
+
+use NotificationChannels\Fcm\Resources\Notification;
+use PHPUnit\Framework\TestCase;
+
+class NotificationTest extends TestCase
+{
+    public function test_it_can_be_instantiated()
+    {
+        $message = new Notification(title: 'title');
+
+        $this->assertInstanceOf(Notification::class, $message);
+
+        $this->assertEquals('title', $message->title);
+    }
+
+    public function test_it_can_be_created()
+    {
+        $message = Notification::create(title: 'title');
+
+        $this->assertInstanceOf(Notification::class, $message);
+
+        $this->assertEquals('title', $message->title);
+    }
+
+    public function test_it_can_set_title()
+    {
+        $message = Notification::create()->title('title');
+
+        $this->assertEquals(['title' => 'title'], $message->toArray());
+    }
+
+    public function test_it_can_set_body()
+    {
+        $message = Notification::create()->body('body');
+
+        $this->assertEquals(['body' => 'body'], $message->toArray());
+    }
+
+    public function test_it_can_set_image()
+    {
+        $message = Notification::create()->image('image');
+
+        $this->assertEquals(['image' => 'image'], $message->toArray());
+    }
+}
diff --git a/tests/Resources/VisibilityTest.php b/tests/Resources/VisibilityTest.php
deleted file mode 100644
index 73b8e0b..0000000
--- a/tests/Resources/VisibilityTest.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-namespace NotificationChannels\Fcm\Test\Resources;
-
-use NotificationChannels\Fcm\Resources\Visibility;
-use PHPUnit\Framework\TestCase;
-
-class VisibilityTest extends TestCase
-{
-    /** @test */
-    public function it_can_be_instantiated()
-    {
-        $instance = Visibility::VISIBILITY_PUBLIC;
-
-        $this->assertInstanceOf(Visibility::class, $instance);
-    }
-}