The note that tells the model the user turned a source back on: "[You can now see: Whiteboard (turned back on)]". A
call's video source arbiter sends it when the user turns a source on again.
Parameters
sourceLabel: string
The source's human-readable name, put in as given.
The note that tells the model the user turned a source back on: "[You can now see: Whiteboard (turned back on)]". A call's video source arbiter sends it when the user turns a source on again.