# updateGuidelineDesignSettingsBulletListStyles > Mutation in domain **Guidelines** - HTML: [updateGuidelineDesignSettingsBulletListStyles.html](updateGuidelineDesignSettingsBulletListStyles.html) - Raw SDL: [updateGuidelineDesignSettingsBulletListStyles.sdl](updateGuidelineDesignSettingsBulletListStyles.sdl) - Covered by: [llms.txt](../llms.txt) Update existing `Bullet List Styles` of a `Guideline`. Status: _(beta)_ ## Returns `UpdateGuidelineDesignSettingsBulletListStyles` ## Arguments - `input`: `UpdateGuidelineDesignSettingsBulletListStylesInput!` _(beta)_ — `UpdateGuidelineDesignSettingsBulletListStylesType` input argument. ## Example ```graphql mutation UpdateGuidelineDesignSettingsBulletListStyles { updateGuidelineDesignSettingsBulletListStyles( input: { guidelineId: "…" data: [ { level: 0 shape: "…" size: "…" } ] } ) { __typename bulletListStyles { level shape size colors { color colorSchemeId isDefault } } } } ``` Raw: [`updateGuidelineDesignSettingsBulletListStyles.example.sdl`](updateGuidelineDesignSettingsBulletListStyles.example.sdl)