public Request<bool> SetBroadcast( ContentId audio , params int[] targetIds ) { var req = new Request<bool>{ MethodName = "audio.setBroadcast", Parameters = new Dictionary<string, string> { { "audio", audio.ToIdString() }, { "target_ids", (targetIds??new int[]{}).ToNCStringA()}, } }; req.Token = _parent.CurrentToken; return req; }