Help Center/ Object Storage Service/ SDK Reference/ iOS/ Bucket APIs/ Event Notification/ Event Notification Overview
Updated on 2026-07-22 GMT+08:00
Event Notification Overview
OBS provides the event notification function. With this function, specified operations on buckets will be sent to you through Simple Message Notification (SMN). Event notification involves the following configurations:
- Unique ID of an event notification. If the user does not specify an ID, OBS will automatically assign one.
- URN of the event notification topic. After detecting a specific event, OBS sends a message to the topic.
- Type of events that need to be notified.
- Filtering rules. Objects can be filtered based on the prefixes or suffixes.
For more information, see Event Notification.
Parent topic: Event Notification
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