protected override void RunWebRequest(QueueManager qm)
        {
            RequestState requestState = new RequestState();

            requestState.OperationType = OperationType;
            requestState.httpMethod    = HTTPMethod.Patch;

            var cub = new
            {
                id          = ChannelToUse,
                name        = ChannelMetadataName,
                description = ChannelMetadataDescription,
                custom      = ChannelMetadataCustom,
            };

            string jsonUserBody = Helpers.JsonEncodePublishMsg(cub, "", this.PubNubInstance.JsonLibrary, this.PubNubInstance.PNLog);

            #if (ENABLE_PUBNUB_LOGGING)
            this.PubNubInstance.PNLog.WriteToLog(string.Format("jsonUserBody: {0}", jsonUserBody), PNLoggingMethod.LevelInfo);
            #endif
            requestState.POSTData = jsonUserBody;

            string[] includeString = (ChannelMetadataInclude == null) ? new string[] {} : ChannelMetadataInclude.Select(a => a.GetDescription().ToString()).ToArray();

            Uri request = BuildRequests.BuildObjectsSetChannelMetadataRequest(
                ChannelToUse,
                string.Join(",", includeString),
                this.PubNubInstance,
                this.QueryParams
                );
            request = this.PubNubInstance.TokenMgr.AppendTokenToURL(request.OriginalString, ChannelToUse, PNResourceType.PNChannelMetadata, OperationType);
            base.RunWebRequest(qm, request, requestState, this.PubNubInstance.PNConfig.NonSubscribeTimeout, 0, this);
        }