:link_to_translation:`zh_CN:[中文]`
The Alert Notification service exposes alert information in a device. This information includes the following:
- Type of alert occurring in a device
- Additional text information such as caller ID or sender ID
- Count of new alerts
- Count of unread alert items.
:example:`bluetooth/ble_services/ble_ans`.
.. include-build-file:: inc/esp_ans.inc