> For the complete documentation index, see [llms.txt](https://docs.yarnspinner.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yarnspinner.dev/api/csharp/yarn/yarn.dialogue/yarn.dialogue.nodestarthandler.md).

# NodeStartHandler

Property in [Dialogue](/api/csharp/yarn/yarn.dialogue.md)

## Summary

Gets or sets the [NodeStartHandler](/api/csharp/yarn/yarn.nodestarthandler.md) that is called when a node is started.

```csharp
public NodeStartHandler? NodeStartHandler { get; set; }
```