Synchronize Show events to an audio narration file using the Timeline

Steps to synchronize the appearance of an element to a specific time on a Narration audio file using the Timeline feature below the Stage.

The timeline feature is only available for Narration timing in Claro pages.

Setting a Show action using the Timeline feature

Steps to Pause a Video and Show Elements using the Video Timeline.

An overview to help you start using the Timeline to set events based on page loading, audio narration files or video files

Settings available on the Options tab for audio files, timing events to a narration file plus the ability to set actions based on the audio file completion

Steps to upload an audio file to a Claro page for use as narration.

On the Options tab, the file will be be set as Narration, and below the Stage the Timeline feature will be synchronized to the audio file.

I referred to the below link and did exactly as described. We can see the timeline enabled at bottom in the tutorial whereas in our project it is not enabled. What could be be the reason?
https://community.dominknow.com/showMe/Add-an-Audio-Narration-file-to-a-Page-2e480aff
 
 

I was wondering if it was possible to add a video file into a Timeline panel. I noticed that there was only the option for embedded videos. Is that the only option?
 

Steps to add an Action to an Element within a video to play the video and hide the elements within the video after play.

What does it mean when I see the option to synchronize dimensions for images in the media library?