# Ad extensions

- [Overview](/tools/audit/prebuilt-alert-list/ad-extensions/overview.md): Alert names: Campaigns not using enough ad extensions
- [Ad extensions — not fully approved](/tools/audit/prebuilt-alert-list/ad-extensions/ad-extensions-not-fully-approved.md): Alert name:  Ad extensions that are not fully approved
- [Ad extensions — disapproved](/tools/audit/prebuilt-alert-list/ad-extensions/ad-extensions-disapproved.md): Alert name: Ad extensions that are disapproved