semantic-conventions/docs/messaging/gcp-pubsub.md

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Semantic Conventions for Google Cloud Pub/Sub

Status: Experimental

The Semantic Conventions for Google Cloud Pub/Sub extend and override the Messaging Semantic Conventions that describe common messaging operations attributes in addition to the Semantic Conventions described on this page.

messaging.system MUST be set to "gcp_pubsub".

Span attributes

For Google Cloud Pub/Sub, the following additional attributes are defined:

Attribute Type Description Examples Requirement Level
messaging.gcp_pubsub.message.ordering_key string The ordering key for a given message. If the attribute is not present, the message does not have an ordering key. ordering_key Conditionally Required: If the message type has an ordering key set.