7.3

Table 1‑4. Event Topics (Continued)
Event Topic Name Description Service
Orchestration server conguration
(XaaS) - Obsolete
A vRealize Orchestrator server
conguration is created, updated,
deleted, or modied to use a dierent
default instance.
advanced-designer-service
Post Approval A post-approval policy level is
congured to use the event
subscription option.
approval-service
Pre Approval A pre-approval policy level is
congured to use the event
subscription option.
approval-service
Resource reclamation completion
event
A resource lease expired and the
resources are reclaimed.
management-service
Workflow Subscriptions and Event Broker Terminology
As you work with the workow subscriptions and the event broker service, you might encounter some
terminology that is specic to the subscriptions and event broker service.
Table 1‑5. Workflow Subscription and Event Broker Terminology
Term Description
Event Topic Describes a set of events that have same logical intent and
the same structure. Every event is an instance of an event
topic.
Event Indicates a change in the state in the producer or any of the
entities managed by it. The event is the entity that records
information about the event occurrence.
Message Transports information about the event between the
various services and components. For example, from the
producer to the event broker service, or from the event
broker service to the subscribers.
Event Broker Service The service that dispatches messages that are published by
a producer to the subscribed consumers.
Payload The event data.
Subscription Indicates that a subscriber is interested in being notied
about an event by subscribing to an event topic and
dening the criteria that triggers the notication.
Subscriber Consumes the events published to the event broker service
based on the subscription denition. The subscriber might
also be referred to as the consumer.
Provider Registers event topics in the event broker service.
Producer Publishes events to the event broker service.
System Administrator A user with privileges to create, read, update, and delete
tenant workow subscriptions and system workow
subscriptions using the API or vRealize Automation plug-
in. vRealize Automation does not include a user interface
for the system administrator.
Tenant Administrator The user with privileges to create, read, update, and delete
tenant workow subscriptions for their tenant.
Workow Subscription Species the event topic and conditions that trigger a
vRealize Orchestrator workow.
Life Cycle Extensibility
14 VMware, Inc.