Merge pull request MicrosoftDocs#12770 from brenle/patch-19

Update Set-DlpCompliancePolicy.md

Author: chrisda

exchange/exchange-ps/exchange/Set-DlpCompliancePolicy.md

@@ -572,7 +572,11 @@ Accept wildcard characters: False
 ```
 
 ### -EnforcementPlanes
-{{ Fill EnforcementPlanes Description }}
+The EnforcementPlanes parameter defines the layer where policy actions are run. This parameter uses the following syntax:
+
+`-EnforcementPlanes @("<Value>")`.
+
+Currently, the only supported value is Entra, for use with policies applied to an Entra-registered enterprise application in the organization.
 
 ```yaml
 Type: MultiValuedProperty