A schema defines the data format of event bodies to help implement reliable data exchange across heterogeneous systems.
A schema is a version control specification that describes the format and content
of data and defines the data format of event bodies to help implement reliable data
exchange across heterogeneous systems.
Note A schema ID must be unique within the same schema group.
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.