Beta
Manages callbacks that are message passing to a server. This event is not currently fully implemented, and should not be used.
Private
Adds a callback that will be called when an internal message is passed.
This function can't be called in read-only mode.
This function can be called in early-execution mode.
Removes a callback from being called when an internal message is passed.
Manages callbacks that are message passing to a server. This event is not currently fully implemented, and should not be used.