Starts a commercial in the specified channel.
Note: Must be called from inside a Fiber.
The current TwitchPlugin.
Name of channel to run commercials for.
Length to play the commercial for, as a string.
Name of the calling function.
A Voldemort with information about the commercial start.
https://dev.twitch.tv/docs/api/reference/#start-commercial
Starts a commercial in the specified channel.
Note: Must be called from inside a Fiber.