> 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.isnodegroup.md).

# IsNodeGroup(string)

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

## Summary

Gets a value indicating whether `nodeName` is the name of a valid node group in the program.

```csharp
public bool IsNodeGroup(string nodeName)
```

## Parameters

| Name              | Description                          |
| ----------------- | ------------------------------------ |
| `string` nodeName | The name of the node group to check. |

## Returns

`true` if `nodeName` is the name of a node group; `false` otherwise.