UNION

ApprovalProcessTrigger

What starts an approval process: a change of a record or a manual start.

GraphQL Schema definition

union ApprovalProcessTrigger = ApprovalProcessManualTrigger | ApprovalProcessRecordTrigger

Require by

ApprovalProcessSchemaDefinition of an approval process: what starts it, which records it applies to, who approves and what happens on approval or rejection.