# UpdateGuidelineDesignSettingsMainFontFamily

> Type in domain **Guidelines**

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

## Fields

- `mainFontFamily`: `GuidelineDesignSettingsTypeStyleFontFamily!` _(beta)_ — `Main Font Family` details.