# UpdateGuidelineDocumentLibrary > Type in domain **Guidelines** - HTML: [UpdateGuidelineDocumentLibrary.html](UpdateGuidelineDocumentLibrary.html) - Raw SDL: [UpdateGuidelineDocumentLibrary.sdl](UpdateGuidelineDocumentLibrary.sdl) - Covered by: [llms.txt](../llms.txt) ## Fields - `id`: `ID!` _(beta)_ — The ID of the updated document library. - `title`: `String` _(beta)_ — The title of the document library after the update.