In Salesforce Field Service (SFS), the Service Appointment and Assigned Resource objects include two time-tracking fields:
These fields are part of the Salesforce Field Service managed package. However, the SFS package does not automatically populate these fields. Organizations often expect the system to fill in these values when a technician changes the appointment status — for example, from "Dispatched" to "Onsite" or "Completed" — but no such automation is provided out of the box.
This behavior is working as designed. Salesforce Field Service does not manage or automatically populate the ActualStart and ActualEnd fields. To populate these fields, implement a custom solution using one of the following approaches:
Create a record-triggered Flow on the Service Appointment object:
This is the recommended approach as it requires no code and can be managed by an administrator.
Write an Apex trigger on the Service Appointment or Assigned Resource object to set ActualStart and ActualEnd based on status field changes. This approach offers more control but requires developer involvement.
Use the Salesforce Field Service Mobile app's custom Quick Actions to prompt field technicians to manually log their actual start and end times when they begin or complete a job. This approach relies on technician compliance but requires minimal configuration.
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