def find(broadcast_id)
      raise ArgumentError, "broadcast_id not provided" if broadcast_id.to_s.empty?
      broadcast_json = @client.get_broadcast(broadcast_id.to_s)
      Broadcast.new self, broadcast_json
    end
def find(broadcast_id)
      raise ArgumentError, "broadcast_id not provided" if broadcast_id.to_s.empty?
      broadcast_json = @client.get_broadcast(broadcast_id.to_s)
      Broadcast.new self, broadcast_json
    end
Gets a Broadcast object for the given broadcast ID.

 @param [String] broadcast_id The broadcast ID.

 @return [Broadcast] The broadcast object, which includes properties defining the broadcast.

 @raise [OpenTokBroadcastError] No matching broadcast found.
 @raise [OpenTokAuthenticationError] Authentication failed.
   Invalid API key.
 @raise [OpenTokError] OpenTok server error.