# IGH_DataTree interface

Namespace: [Grasshopper.Kernel.Data](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.data.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public interface IGH_DataTree
```

Utility interface for detection of DataTree generic instances.

**Derived types:** [DataTree<T>](https://developer.rhino3d.com/api/gh1/type/grasshopper.datatree-1.md)

## Methods

- [MergeWithParameter](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.data.igh-datatree/mergewithparameter.md): Utility function for assigning Script Data Trees to parameters.