# UpdateGuidelineDocumentLibraryInput

> Input in domain **Guidelines**

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

Input for updating a guideline document library.

## Input fields

- `id`: `ID!` _(beta)_ — The ID of the guideline document library to update.
- `title`: `String!` _(beta)_ — The new title of the document library.
- `language`: `String` = `null` _(beta)_ — Language code the title is written in. Omit it (or pass the default language) to update the base title; pass a non-default language to update that translation.