MessageId: ID of this message, assigned by the server when the message is published. Guaranteed to be unique within the topic. This value may be read by a subscriber that receives a `PubsubMessage` via a `Pull` call or a push delivery. It must not be populated by the publisher in a `Publish` call.
MessageId is referenced in 1 repositorygithub.com/christopherhesse/disgusting-appengine-context-hack
- 1 reference in src/google.golang.org/cloud/pubsub/pubsub.go