Custom workflow trigger events

Description	Ability to invoke one or more actions when a specific event takes place
Status	SUPPORTED
Feature area	Workflows
Info	The workflow trigger can be filtered to listen to an event based on a trigger condition. Different trigger events are supported in the cloud app compared to the server app.
Further info	Cloud trigger events Page: on-assign event Page: on-change-state event Page: on-unassign event Page: on-approve event Page: on-expire event Page: on-reject event