## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.cognigy.com/llms.txt)

Use this file to discover all available pages before exploring further.

The Flow API has been extended, giving access to the following new functionalities:

| Function | Usage |
| --- | --- |
| `api.setAppState(templateUrl, templateData)` | Updates the xApp Session State by defining which xApp should be shown (`templateUrl`) and which data should be in the template (`templateData`). |

### More Information

- [xApp Nodes](https://docs.cognigy.com/ai/agents/develop/node-reference/xApp/overview)
- [Build an xApp](https://docs.cognigy.com/xApps/build/overview)
- [xApps](https://docs.cognigy.com/xApps/overview)

Last modified on April 29, 2026.