# AssetInput

AssetInput

A single entity's asset. Exactly one variant must be provided.

**Fields:**
- `document`: `DocumentAssetInput` - Document asset
- `image`: `ImageAssetInput` - Image asset
- `link`: `LinkAssetInput` - Use metadata.{service}.linkAttachment instead. This field will be removed on December 15, 2026.
- `video`: `VideoAssetInput` - Video asset