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Event Types

Fábio Luciano edited this page Jun 13, 2026 · 2 revisions

Event Types

The relay consumes the CloudEvents emitted by Tekton Pipelines. This page lists what is accepted and how each type maps to the relay's event.State.

Supported CloudEvent types

CloudEvent type (Ce-Type) Resource Relay state
dev.tekton.event.pipelinerun.started.v1 pipelinerun running
dev.tekton.event.pipelinerun.running.v1 pipelinerun running
dev.tekton.event.pipelinerun.successful.v1 pipelinerun success
dev.tekton.event.pipelinerun.failed.v1 pipelinerun failure
dev.tekton.event.pipelinerun.unknown.v1 pipelinerun error
dev.tekton.event.taskrun.started.v1 taskrun running
dev.tekton.event.taskrun.running.v1 taskrun running
dev.tekton.event.taskrun.successful.v1 taskrun success
dev.tekton.event.taskrun.failed.v1 taskrun failure
dev.tekton.event.taskrun.unknown.v1 taskrun error
dev.tekton.event.customrun.started.v1 customrun running
dev.tekton.event.customrun.running.v1 customrun running
dev.tekton.event.customrun.successful.v1 customrun success
dev.tekton.event.customrun.failed.v1 customrun failure
dev.tekton.event.customrun.unknown.v1 customrun error
dev.tekton.event.triggers.started.v1 eventlistener running
dev.tekton.event.triggers.running.v1 eventlistener running
dev.tekton.event.triggers.successful.v1 eventlistener success
dev.tekton.event.triggers.failed.v1 eventlistener failure
dev.tekton.event.triggers.unknown.v1 eventlistener error

States are lowercase — keep that in mind when writing CEL expressions (event.State == "failure", never "Failure").

Unknown types

Events with an unregistered type are dropped early with a no decoder registered for event type log line and counted in events_unsupported_type_total. This usually happens after a Tekton upgrade introduces a new event type — open an issue with the logged type.

Filtering by resource

You can disable whole resource types under filter: in the config (e.g. allow_taskrun: false to ignore TaskRun events entirely) — cheaper than filtering each action with when. See the Configuration Reference.

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