# Sandbox.ModelEditor.GameDataAttribute

Indicates that this class/struct should be available as GenericGameData node in ModelDoc

- Kind: attribute
- Namespace: `Sandbox.ModelEditor`
- Assembly: `Sandbox.Engine`
- Inherits: [Sandbox.LibraryAttribute](/api/Sandbox.LibraryAttribute)

## Constructors

- [`GameDataAttribute`](/api/Sandbox.ModelEditor.GameDataAttribute/.ctor)

## Properties

- [`AllowMultiple`](/api/Sandbox.ModelEditor.GameDataAttribute/AllowMultiple): Indicates that this type compiles as list, rather than a single entry in the model. This will also affect how you retrieve this data via Model.GetData().