# Sandbox.TargetTypeAttribute

When applied to a Type property, allows you to specify a Type that the property's value must derive from.

- Kind: attribute
- Namespace: `Sandbox`
- Assembly: `Sandbox.System`
- Modifiers: sealed

## Constructors

- [`TargetTypeAttribute`](/api/Sandbox.TargetTypeAttribute/.ctor)

## Properties

- [`Type`](/api/Sandbox.TargetTypeAttribute/Type): The type that the property's value must derive from.