# properties.source.description
Identifies the context in which an event happened.

# properties.specversion.description
The version of the CloudEvents specification which the event uses.

# properties.type.description
Describes the type of event related to the originating occurrence.

# properties.datacontenttype.description
Content type of the data value. Must adhere to RFC 2046 format.

# properties.dataschema.description
Identifies the schema that data adheres to.

# properties.subject.description
Describes the subject of the event in the context of the event producer (identified by source).

# properties.time.description
Timestamp of when the occurrence happened. Must adhere to RFC 3339.

# properties.data_base64.description
Base64 encoded event payload. Must adhere to RFC4648.