# Qlik.Engine.Communication.IO Namespace

## Classes

| [Request](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Communication.IO.Request.htm) | The asynchronous request RPC message sent to a Qlik Sense server |
| --- | --- |
| [Response](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Communication.IO.Response.htm) | Websocket response object |