# IGH_ReferencedData interface

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

```cs
public interface IGH_ReferencedData : IGH_Goo
```

**Derived types:** [IGH_ModelContentData](https://developer.rhino3d.com/api/gh1/type/grasshopper.rhinoceros.params.igh-modelcontentdata.md)

## Properties

- [IsReferencedData](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-referenceddata/isreferenceddata.md)
- [IsReferencedDataLoaded](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-referenceddata/isreferenceddataloaded.md)

## Methods

- [LoadReferencedData](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-referenceddata/loadreferenceddata.md)
- [UnloadReferencedData](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-referenceddata/unloadreferenceddata.md)

## Inherited Members

- From [IGH_Goo](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo.md): [IsValid](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/isvalid.md), [IsValidWhyNot](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/isvalidwhynot.md), [TypeDescription](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/typedescription.md), [TypeName](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/typename.md), [CastFrom](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/castfrom.md), [CastTo<T>](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/castto.md), [Duplicate](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/duplicate.md), [EmitProxy](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/emitproxy.md), [ScriptVariable](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/scriptvariable.md), [ToString](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.types.igh-goo/tostring.md)
- From [GH_ISerializable](https://developer.rhino3d.com/api/gh1/type/gh-io.gh-iserializable.md): [Read](https://developer.rhino3d.com/api/gh1/type/gh-io.gh-iserializable/read.md), [Write](https://developer.rhino3d.com/api/gh1/type/gh-io.gh-iserializable/write.md)