# Sandbox.Json.TrackedObjectDefinition.ParentType

```csharp
string ParentType
```

Specifies the required type of the parent object. If null, AllowedAsRoot must be true.

## Remarks

This enforces type hierarchy constraints within the JSON structure.

Declared in [Sandbox.Json.TrackedObjectDefinition](/api/Sandbox.Json.TrackedObjectDefinition).
Assembly: `Sandbox.Engine`.