# updateGuidelinePageSection > Mutation in domain **Guidelines** - HTML: [updateGuidelinePageSection.html](updateGuidelinePageSection.html) - Raw SDL: [updateGuidelinePageSection.sdl](updateGuidelinePageSection.sdl) - Covered by: [llms.txt](../llms.txt) Updates the properties of an existing `GuidelinePageSection`. Status: _(beta)_ ## Returns `UpdateGuidelinePageSection` ## Arguments - `input`: `UpdateGuidelinePageSectionInput!` _(beta)_ — `UpdateGuidelinePageSectionInput` input argument. ## Example ```graphql mutation UpdateGuidelinePageSection { updateGuidelinePageSection( input: { id: "…" data: { } } ) { __typename section { id elements { total page limit hasNextPage items { __typename ... on GuidelinePageHeading { id } ... on GuidelinePageBlock { id } ... on BrandEssentialsColorBlock { id } ... on GuidelinePageBlockReference { id } } } } } } ``` Raw: [`updateGuidelinePageSection.example.sdl`](updateGuidelinePageSection.example.sdl)