Stuck on outbound campaign status sync with WFM schedules. The Genesys Cloud API returns a 409 Conflict when attempting to activate the campaign via the /api/v2/outbound/campaigns endpoint, specifically citing schedule_conflict in the error payload. This happens exclusively for agents with active shift swaps during the campaign’s start window.
Is there a known limitation with the WFM integration block in Architect when handling dynamic schedule changes for outbound campaigns?
This issue stems from the outbound engine locking the schedule resource while WFM processes the swap, creating a race condition. The conflict error appears when the API call hits before the index syncs:
{"error_code": "schedule_conflict", "message": "Cannot activate campaign due to active schedule modification."}
Add a 30-second delay in your script node before the campaign activation call to let the WFM data settle.
This is actually a known issue… The outbound engine locks the schedule resource while WFM processes the swap, creating that exact race condition.
A 30-second delay in your script node before activation lets the index sync. Alternatively, poll the WFM API for status COMPLETED before triggering the campaign update to avoid arbitrary waits.
The best way to fix this is to bypass the synchronous API lock by implementing an asynchronous polling mechanism for the WFM schedule status. While the suggested 30-second delay works for simple cases, it introduces unnecessary latency and fails under high concurrency. Instead, query the GET /api/v2/wfm/schedules/{scheduleId} endpoint within a loop until the status field returns ACTIVE or COMPLETED. This ensures the outbound engine only attempts activation after the schedule index has fully reconciled.
For a more robust implementation, consider using a script node that checks the last_modified timestamp against the current time, ensuring no pending swaps are in flight. This approach aligns with standard BYOC trunk failover logic where we wait for state consistency before initiating new sessions. See KB-8921 for the detailed polling pattern and timeout configurations. It is a small adjustment but prevents the 409 conflicts entirely during peak shift change periods.
The polling approach works, but for legal discovery exports, we must ensure the audit trail captures the exact moment of schedule resolution. Relying on arbitrary delays risks chain-of-custody gaps in the metadata.
Retry-After headers in 429 responsesschedule_conflict resolution time