# Sandbox.ModelEditor.GameDataAttribute.AllowMultiple

```csharp
bool AllowMultiple { get; set; }
```

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().

Declared in [Sandbox.ModelEditor.GameDataAttribute](/api/Sandbox.ModelEditor.GameDataAttribute).
Assembly: `Sandbox.Engine`.