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# onNodeStart

Field in [DialogueRunner](/2.2/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md)

## 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