Internal
The clip's length in milliseconds: the video track's duration. A duration the developer states must be that length (it is validated here, not trusted: a shorter one would download less song than the clip lasts and leave the end of the Reel silent).
duration
Optional
The clip's length in milliseconds: the video track's duration. A
durationthe developer states must be that length (it is validated here, not trusted: a shorter one would download less song than the clip lasts and leave the end of the Reel silent).