diff --git a/.courseignore b/.courseignore
index 42061c0..bb9a83f 100644
--- a/.courseignore
+++ b/.courseignore
@@ -1 +1,2 @@
-README.md
\ No newline at end of file
+README.md
+/.run
diff --git a/README.md b/README.md
index 24ed60a..16140c7 100644
--- a/README.md
+++ b/README.md
@@ -155,6 +155,7 @@ It provides the list of files or directories that will be ignored in the final c
 
 ```text
 README.md
+/.run
 ```
 
 You can find more information about the course preview in the [Course preview][ref:course.preview] section. Information 
diff --git a/common/src/main/resources/images/files-order.gif b/common/src/main/resources/images/files-order.gif
new file mode 100644
index 0000000..b19689e
Binary files /dev/null and b/common/src/main/resources/images/files-order.gif differ
diff --git a/courseSection/courseLesson/lesson-info.yaml b/courseSection/courseLesson/lesson-info.yaml
index dbafe8e..7a40575 100644
--- a/courseSection/courseLesson/lesson-info.yaml
+++ b/courseSection/courseLesson/lesson-info.yaml
@@ -3,3 +3,4 @@ content:
   - theoryTask
   - quizTask
   - programmingTask
+  - multiFileTask
diff --git a/courseSection/courseLesson/multiFileTask/src/Main.kt b/courseSection/courseLesson/multiFileTask/src/Main.kt
new file mode 100644
index 0000000..e5bd56b
--- /dev/null
+++ b/courseSection/courseLesson/multiFileTask/src/Main.kt
@@ -0,0 +1,3 @@
+fun main() {
+    helloWorld()
+}
diff --git a/courseSection/courseLesson/multiFileTask/src/MainTaskFile.kt b/courseSection/courseLesson/multiFileTask/src/MainTaskFile.kt
new file mode 100644
index 0000000..aef3b3b
--- /dev/null
+++ b/courseSection/courseLesson/multiFileTask/src/MainTaskFile.kt
@@ -0,0 +1 @@
+fun helloWorld(): Unit = println("Hello, world!")
\ No newline at end of file
diff --git a/courseSection/courseLesson/multiFileTask/task-info.yaml b/courseSection/courseLesson/multiFileTask/task-info.yaml
new file mode 100644
index 0000000..dc6bc59
--- /dev/null
+++ b/courseSection/courseLesson/multiFileTask/task-info.yaml
@@ -0,0 +1,18 @@
+type: output
+files:
+  - name: src/MainTaskFile.kt
+    visible: true
+    placeholders:
+      - offset: 25
+        length: 24
+        placeholder_text: TODO("Not implemented yet")
+  - name: src/Main.kt
+    visible: true
+    placeholders:
+      - offset: 17
+        length: 12
+        placeholder_text: // invoke the implemented functions here
+  - name: test/output.txt
+    visible: false
+  - name: test/input.txt
+    visible: false
diff --git a/courseSection/courseLesson/multiFileTask/task.md b/courseSection/courseLesson/multiFileTask/task.md
new file mode 100644
index 0000000..f427fbe
--- /dev/null
+++ b/courseSection/courseLesson/multiFileTask/task.md
@@ -0,0 +1,8 @@
+This is an example of an input/output task. 
+In this type of task, you can give an expected input and output to the program instead of implementing 
+your own tests.
+
+This task also demonstrates how you can set up which file should be opened in the student mode if the task has several files.
+You just need to put this file as the first file in the `task-info.yaml` config, e.g. in this task the `MainTaskFile.kt` will be opened: 
+
+![Expected behaviour](../../../common/src/main/resources/images/files-order.gif)
diff --git a/courseSection/courseLesson/multiFileTask/test/input.txt b/courseSection/courseLesson/multiFileTask/test/input.txt
new file mode 100644
index 0000000..e69de29
diff --git a/courseSection/courseLesson/multiFileTask/test/output.txt b/courseSection/courseLesson/multiFileTask/test/output.txt
new file mode 100644
index 0000000..af5626b
--- /dev/null
+++ b/courseSection/courseLesson/multiFileTask/test/output.txt
@@ -0,0 +1 @@
+Hello, world!