1. In the Sales or Service Cloud Setup menu, clickCreate.
2. Click Workflow & Approvals.
3. Click Workflow Rules.
4. Click New Rule.
5. Select the Email Send Object and clickNext.
6. Enter BackupWorkflow for Rule Name.
7. Select to evaluate the rule when a record is createdand any time it’s edited to subsequently meetcriteria.
8. Set Rule Criteria as Email Send: Backup WorkflowDate/Timenot equal to and leave the Value empty.
9. Click Save & Next.
10. Click Add Time Trigger.
11. For Workflow Time Trigger Edit, set as 0HoursAfterEmail Send: Backup Workflow Date/Time.
12. Click Save.
13. For Time-Dependent Workflow Actions, click AddWorkflow Action for the new time trigger.
14. Choose Select Existing Action.
15. For Choose Action Type, set Search as FieldUpdate.
16. For Available Actions, add Field Update:Update:UnpopulateBackupWorkflow to Selected Actions.
17. Click Save.
18. Click Done.
19. Click Activate.