How can I make speaker butoon?

1

image
I forgot that.
Please help me.

2

Hi, this button appears when you add an audio extension and lets the user disable/enable the audio.

You can add your own button using Viewer Api, you may use the following Viewer methods:

addMenuButton(url: string)
removeMenuButton(url: string)
getMenuButtonIcon(url: string)

Does this answer your question?