# SetCollectionAssetsInput

> Input in domain **Collections**

- HTML: [SetCollectionAssetsInput.html](SetCollectionAssetsInput.html)
- Raw SDL: [SetCollectionAssetsInput.sdl](SetCollectionAssetsInput.sdl)
- Covered by: [llms.txt](../llms.txt)

## Input fields

- `collectionId`: `ID!` — `Collection` Id.
- `assetIds`: `[ID!]!` — Ids of the `Assets` to replace existing `Assets` in the `Collection`. Must be in the same `Library` as the `Collection`.