diff --git a/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/MetadataKeyAttributes.java b/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/MetadataKeyAttributes.java
index 204ec82e02..03c92c09e0 100644
--- a/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/MetadataKeyAttributes.java
+++ b/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/MetadataKeyAttributes.java
@@ -12,9 +12,11 @@ public class MetadataKeyAttributes {
 
     static final String SORT_KEY_METADATA_ATTRIBUTE = "sort_key";
 
-    static final String EVENT_TIMESTAMP_METADATA_ATTRIBUTE = "ts";
+    static final String EVENT_TIMESTAMP_METADATA_ATTRIBUTE = "dynamodb_timestamp";
 
-    static final String EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE = "op";
+    static final String EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE = "opensearch_action";
+
+    static final String DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE = "dynamodb_event_name";
 
     static final String EVENT_TABLE_NAME_METADATA_ATTRIBUTE = "table_name";
 }
diff --git a/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/RecordConverter.java b/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/RecordConverter.java
index de79feadfe..d15a18b989 100644
--- a/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/RecordConverter.java
+++ b/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/RecordConverter.java
@@ -16,6 +16,7 @@
 
 import java.util.Map;
 
+import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_TABLE_NAME_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_TIMESTAMP_METADATA_ATTRIBUTE;
@@ -80,6 +81,7 @@ public void addToBuffer(final AcknowledgementSet acknowledgementSet, Map<String,
 
         eventMetadata.setAttribute(EVENT_TABLE_NAME_METADATA_ATTRIBUTE, tableInfo.getTableName());
         eventMetadata.setAttribute(EVENT_TIMESTAMP_METADATA_ATTRIBUTE, eventCreationTimeMillis);
+        eventMetadata.setAttribute(DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE, eventName);
         eventMetadata.setAttribute(EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE, mapStreamEventNameToBulkAction(eventName));
         String partitionKey = getAttributeValue(keys, tableInfo.getMetadata().getPartitionKeyAttributeName());
         eventMetadata.setAttribute(PARTITION_KEY_METADATA_ATTRIBUTE, partitionKey);
@@ -110,9 +112,8 @@ private String mapStreamEventNameToBulkAction(final String streamEventName) {
 
         switch (streamEventName) {
             case "INSERT":
-                return OpenSearchBulkActions.CREATE.toString();
             case "MODIFY":
-                return OpenSearchBulkActions.UPSERT.toString();
+                return OpenSearchBulkActions.INDEX.toString();
             case "REMOVE":
                 return OpenSearchBulkActions.DELETE.toString();
             default:
diff --git a/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/ExportRecordConverterTest.java b/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/ExportRecordConverterTest.java
index 872e125ae1..8f7c0a8f23 100644
--- a/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/ExportRecordConverterTest.java
+++ b/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/ExportRecordConverterTest.java
@@ -29,6 +29,7 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.notNullValue;
+import static org.hamcrest.Matchers.nullValue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyDouble;
 import static org.mockito.ArgumentMatchers.eq;
@@ -39,6 +40,7 @@
 import static org.mockito.Mockito.verifyNoInteractions;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.ExportRecordConverter.EXPORT_RECORDS_PROCESSED_COUNT;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.ExportRecordConverter.EXPORT_RECORDS_PROCESSING_ERROR_COUNT;
+import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_TIMESTAMP_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.PARTITION_KEY_METADATA_ATTRIBUTE;
@@ -141,5 +143,6 @@ void test_writeSingleRecordToBuffer() throws Exception {
         assertThat(event.getMetadata().getAttribute(PRIMARY_KEY_DOCUMENT_ID_METADATA_ATTRIBUTE), equalTo(pk + "|" + sk));
         assertThat(event.getMetadata().getAttribute(EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE), equalTo(OpenSearchBulkActions.INDEX.toString()));
         assertThat(event.getMetadata().getAttribute(EVENT_TIMESTAMP_METADATA_ATTRIBUTE), notNullValue());
+        assertThat(event.getMetadata().getAttribute(DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE), nullValue());
     }
 }
\ No newline at end of file
diff --git a/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/StreamRecordConverterTest.java b/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/StreamRecordConverterTest.java
index 944ca4c99f..75e5274dfc 100644
--- a/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/StreamRecordConverterTest.java
+++ b/data-prepper-plugins/dynamodb-source/src/test/java/org/opensearch/dataprepper/plugins/source/dynamodb/converter/StreamRecordConverterTest.java
@@ -41,6 +41,7 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoInteractions;
+import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.EVENT_TIMESTAMP_METADATA_ATTRIBUTE;
 import static org.opensearch.dataprepper.plugins.source.dynamodb.converter.MetadataKeyAttributes.PARTITION_KEY_METADATA_ATTRIBUTE;
@@ -134,7 +135,8 @@ void test_writeSingleRecordToBuffer() throws Exception {
         assertThat(event.getMetadata().getAttribute(PARTITION_KEY_METADATA_ATTRIBUTE), equalTo(partitionKey));
         assertThat(event.getMetadata().getAttribute(SORT_KEY_METADATA_ATTRIBUTE), equalTo(sortKey));
         assertThat(event.getMetadata().getAttribute(PRIMARY_KEY_DOCUMENT_ID_METADATA_ATTRIBUTE), equalTo(partitionKey + "|" + sortKey));
-        assertThat(event.getMetadata().getAttribute(EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE), equalTo(OpenSearchBulkActions.CREATE.toString()));
+        assertThat(event.getMetadata().getAttribute(EVENT_NAME_BULK_ACTION_METADATA_ATTRIBUTE), equalTo(OpenSearchBulkActions.INDEX.toString()));
+        assertThat(event.getMetadata().getAttribute(DDB_STREAM_EVENT_NAME_METADATA_ATTRIBUTE), equalTo("INSERT"));
         assertThat(event.getMetadata().getAttribute(EVENT_TIMESTAMP_METADATA_ATTRIBUTE), equalTo(record.dynamodb().approximateCreationDateTime().toEpochMilli()));
 
         verifyNoInteractions(changeEventErrorCounter);