# onNodeStart

Field in [DialogueRunner](https://docs.yarnspinner.dev/2.2/api/csharp/yarn.unity/yarn.unity.dialoguerunner)

## Summary

A Unity event that is called when a node starts running.

```csharp
public StringUnityEvent onNodeStart;
```

## Remarks

This event receives as a parameter the name of the node that is about to start running.

## See Also

* Dialogue.NodeStartHandler