CmdID / PowerShell / Cmdlets / Get
Get-AppRetentionComplianceRule
Use the Get-AppRetentionComplianceRule to view app retention compliance rules. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the app retention compliance rule that you want to view.-PolicyThe Policy parameter filters the app retention compliance rule results by the associated app retention compliance policy.