仓库原始内容
按源仓库内容呈现，保留标题、案例、代码、表格、链接以及原文引用的演示图片。
UserNotifications Documentation
Search these docs to answer questions about notification APIs.
Return Format
Always include:
- Summary - Answer the question concisely
- File paths - List relevant files for full details, e.g.:
notifications-overview.mdfor notification center and triggers
Files
notifications-overview.md- Framework overview and notification typesunusernotificationcenter.md- Central notification managementunnotificationrequest.md- Creating notification requestsunmutablenotificationcontent.md- Notification content (title, body, etc.)uncalendarnotificationtrigger.md- Date/time-based triggersuntimeintervalnotificationtrigger.md- Interval-based triggers
