When a record-triggered flow synchronizes Service Appointment fields to an associated Event record in Field Service, non-admin users may experience the Event Subject not updating and the Event not appearing on the Assigned Resource.
NOTE: Running a flow in System Context without Sharing bypasses all sharing restrictions for record access within the flow. Review the Get Records and Update Records elements to confirm they target only the intended Event records and do not expose sensitive data to unauthorized users.
https://help.salesforce.com/s/articleView?id=sf.flow_distribute_context.htm
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