From a TASK report, if I filter for task name contains RFX, status is Complete, and actual completion date in the past 2 weeks, here's the code I get:
name=RFXname_Mod=cicontainsstatus=CPLstatus_Mod=inactualCompletionDate=$$TODAYactualCompletionDate_Mod=betweenactualCompletionDate_Range=$$TODAY-2w
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