Service task: external completion

The engine pauses at the service task until an external worker completes it over REST

Service task: external completion The engine pauses at the service task until an external worker completes it over REST POST /Execution/start start paused at task workflowInstanceId instance id + ActivityId work item POST /Execution/complete-activity Variables; failure = status flag merge Variables token advances duplicate complete 409 Conflict Start Hand-off Complete Caller · starts workflow · Sequence participant Caller starts workflow Fleans API · REST · Sequence participant Fleans API REST Instance · workflow engine · Sequence participant Instance workflow engine Your broker · queue or callback · Sequence participant Your broker queue or callback Your worker · any language · Sequence participant Your worker any language Legend REST call response retry / duplicate message

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