CmdID / PowerShell / Cmdlets / Get
Get-RetentionComplianceRule
Use the Get-RetentionComplianceRule to view retention rules in the Microsoft Purview compliance portal. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the retention rule you want to view.-PolicyThe Policy parameter filters the retention rule results by the associated retention policy.-PriorityCleanup