private void CreateSpace(string spaceId, string spaceName, string spaceDescription, Dictionary <string, object> spaceCustom, Dictionary <string, object> externalQueryParam, PNCallback <PNCreateSpaceResult> callback) { if (string.IsNullOrEmpty(spaceId) || string.IsNullOrEmpty(spaceId.Trim()) || spaceName == null) { throw new ArgumentException("Missing Id or Name"); } if (string.IsNullOrEmpty(config.SubscribeKey) || string.IsNullOrEmpty(config.SubscribeKey.Trim()) || config.SubscribeKey.Length <= 0) { throw new MissingMemberException("Invalid subscribe key"); } if (callback == null) { throw new ArgumentException("Missing userCallback"); } IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config, jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr); urlBuilder.PubnubInstanceId = (PubnubInstance != null) ? PubnubInstance.InstanceId : ""; Uri request = urlBuilder.BuildCreateSpaceRequest(spaceCustom, externalQueryParam); RequestState <PNCreateSpaceResult> requestState = new RequestState <PNCreateSpaceResult>(); requestState.ResponseType = PNOperationType.PNCreateSpaceOperation; requestState.PubnubCallback = callback; requestState.Reconnect = false; requestState.EndPointOperation = this; string json = ""; requestState.UsePostMethod = true; Dictionary <string, object> messageEnvelope = new Dictionary <string, object>(); messageEnvelope.Add("id", spaceId); messageEnvelope.Add("name", spaceName); if (spaceDescription != null) { messageEnvelope.Add("description", spaceDescription); } if (spaceCustom != null) { messageEnvelope.Add("custom", spaceCustom); } string postMessage = jsonLibrary.SerializeToJsonString(messageEnvelope); json = UrlProcessRequest <PNCreateSpaceResult>(request, requestState, false, postMessage); if (!string.IsNullOrEmpty(json)) { List <object> result = ProcessJsonResponse <PNCreateSpaceResult>(requestState, json); ProcessResponseCallbacks(result, requestState); } }