public void setRoomIdentifier(String roomIdentifier) {
        this.roomIdentifier = roomIdentifier;
    }
<p>
Identifier of the room where the message should be deleted. Currently this must be an ARN.
</p>

@param roomIdentifier
       Identifier of the room where the message should be deleted. Currently this must be an ARN.
aws-java-sdk-ivschat/src/main/java/com/amazonaws/services/ivschat/model/DeleteMessageRequest.java