{"source":"semconv","version":"1.44.0","attribute":{"id":"messaging.gcp_pubsub.message.ordering_key","type":"string","stability":"development","brief":"The ordering key for a given message. If the attribute is not present, the message does not have an ordering key.","examples":["ordering_key"],"namespace":"messaging","definedIn":"model/messaging/registry.yaml","usedBy":[{"groupId":"span.messaging.gcp_pubsub.create.producer","groupType":"span","signalName":"messaging.create.producer","requirementLevel":"conditionally_required"},{"groupId":"span.messaging.gcp_pubsub.send.client","groupType":"span","signalName":"messaging.send.client","requirementLevel":"conditionally_required"},{"groupId":"span.messaging.gcp_pubsub.send.producer","groupType":"span","signalName":"messaging.send.producer","requirementLevel":"conditionally_required"}]},"history":[{"version":"1.30.0","publishedAt":"2025-01-24T19:11:42Z","kind":"first-seen","detail":"Already present at v1.30.0, the oldest release tracked here (experimental)."},{"version":"1.31.0","publishedAt":"2025-03-11T00:53:13Z","kind":"stability-changed","detail":"Stability label respelled from experimental to development.","severity":"informational"}],"replaces":[]}