Required:
On iOS, videos can't be autoplayed. The background image is here to prompt iOS users to play the video. You can add a poster of the video, and a play button on your image to prompt iOS users to tap. This field is optional.
Video link: add the link to your hosted video.
Click "Edit video"
Finish adding your copy and buttons, and submit your in-app message.
→ Videos controllers are automatically added to the video.
→ If your app works in landscape, the video automatically switches to fullscreen when users flip their phone to landscape