set_sending_async

Description:

public async bool set_sending_async (bool send) throws Error

Set the stream to start or stop sending media from the local user to other contacts.

If send is true, local_sending_state should change to SENDING, if it isn't already. If send is false, local_sending_state should change to NONE, if it isn't already.

this	a CallStream
send	the requested sending state
callback	a callback to call when the operation finishes
user_data	data to pass to `callback`