# updateGuidelinePageHeading

> Mutation in domain **Guidelines**

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

Updates the properties of an existing `GuidelinePageHeading`. Requires `basic:write` scope to be accessible and `Project` permission level `EDIT`, or `TRANSLATE` when a `locale` or `language` is given.

Status: _(beta)_

## Returns

`UpdateGuidelinePageHeading`

## Arguments

- `input`: `UpdateGuidelinePageHeadingInput!` _(beta)_ — `UpdateGuidelinePageHeading` input argument.

## Example

```graphql
mutation UpdateGuidelinePageHeading {
  updateGuidelinePageHeading(
    input: {
      id: "…"
      data: {
        title: "…"
      }
    }
  ) {
    __typename
    heading {
      title
      id
      modifiedAt
      url
    }
  }
}
```

Raw: [`updateGuidelinePageHeading.example.sdl`](updateGuidelinePageHeading.example.sdl)