| CallbackId | System.String | Gets the identifier of the callback method to invoke on the client. |
| ClientId | System.String | Gets the client id that was send with the request. |
| Data | System.String | Gets the data query. |
| DataDictionary | Componyx.Common.CaseInsensitiveDictionary`1 | Gets the custom request data query as dictionary when ClientDataRequestToDictionaryy on the DataServer is set to true. |
| DeserializationException | System.Exception | Gets the exception if an exception occurred while deserializing the data within the data request as dictionary. |
| InitialLoad | System.Boolean | Gets a value indicating if we are dealing with the initial data load. |
| Message | System.String | Gets the client data request message. |
| RouteIndex | System.Int32 | Gets the client route index. |
| RoutePath | System.String | Gets the client route path. |
| ServerMethod | System.String | Gets the method to invoke on the server. |
| WebSocketUpdate | System.Boolean | Gets a value indicating if the request is made to update the websocket object on the client. |
| XhrRequestId | System.String | Gets the xhr request id that was generated for this request. |