Trigger Specifications

Learn about Trigger Specifications.

This document describes the specifications of the Trigger CRD.

Trigger

Field	Description
apiVersion string	events.openfunction.io/v1alpha1
kind string	Trigger
metadata v1.ObjectMeta	(Optional) Refer to v1.ObjectMeta
spec TriggerSpec	Refer to TriggerSpec
status TriggerStatus	Status of Trigger

Belong to Trigger.

Field	Description
eventBus string	(Optional) Name of the EventBus resource associated with the Trigger.
inputs map[string]Input	(Optional) The input of trigger, with key being the input name. Refer to Input.
subscribers []Subscriber	(Optional) The subscriber of the trigger. Refer to Subscriber.

Belong to TriggerSpec.

Field	Description
namespace string	(Optional) The namespace name of the EventSource, which by default matches the namespace of the Trigger, for example, `default`.
eventSource string	EventSource name, for example, `kafka-eventsource`.
event string	Event name, for example, `eventA`.

Belong to TriggerSpec.

Field	Description
condition string	Trigger conditions for triggers, refer to cel-spec for more writing specifications, for example, `eventA && eventB` or `eventA
sink SinkSpec	(Optional) Triggered Sink (addressable access resource, for example, synchronization request) definition, refer to SinkSpec.
deadLetterSink SinkSpec	(Optional) Triggered dead letter Sink (addressable access resource, for example, synchronization request) definition, refer to SinkSpec.
topic string	(Optional) Used to send post-trigger messages to the specified topic of the event bus, for example, `topicTriggered`.
deadLetterTopic string	(Optional) Used to send post-trigger messages to the specified dead letter topic of the event bus, for example, `topicDL`.

Field	Description
ref Reference	Refer to Reference.

Belong to SinkSpec.

The resources cited are generally Knative Service.

Field	Description
kind string	The type of the referenced resource. It defaults to `Service`.
namespace string	The namespace of the referenced resource, by default the same as the namespace of the Trigger.
name string	Name of the referenced resource, for example, `function-ksvc`.
apiVersion string	The apiVersion of the referenced resource. It defaults to `serving.knative.dev/v1`.

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