A schema defines the data format of event bodies to help implement reliable data exchange across heterogeneous systems.
Schemas of EventBridge exist in the following two types of schema groups:
- Schema group for Alibaba Cloud service events: Each type of Alibaba Cloud service event corresponds to a schema. For example, the snapshot deletion type of Elastic Compute Service (ECS) events corresponds to a schema.
- Custom schema group: the schema group that needs to be managed by you to manage schemas of custom applications or existing message data.