# Editor.MetaDataAttribute

Base attribute which allows adding FGD metadata to classes.

- Kind: attribute
- Namespace: `Editor`
- Assembly: `Sandbox.Engine`
- Modifiers: abstract

## Methods

- [`AddHelpers`](/api/Editor.MetaDataAttribute/AddHelpers)
- [`AddMetaData`](/api/Editor.MetaDataAttribute/AddMetaData)
- [`AddTags`](/api/Editor.MetaDataAttribute/AddTags)