This function allows users to pause a broadcast. A broadcast can be paused if it is in any of the following status: "start" and "sent". A paused broadcast can be resumed by calling START_BROADCAST.
* action: PAUSE_BROADCAST.
* broadcast_id: broadcast ID.
The response contains the following attribute:
* msg: indicates that the broadcast has been paused successfully.
The following example shows a successful HTTP GET request and response.
<result tftype='1' infotype='0'>