CmdID / PowerShell / Cmdlets / Get
Get-CaseHoldRule
Use the Get-CaseHoldRule to view case hold rules in the Microsoft Purview compliance portal. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the case hold rule you want to view.-PolicyThe Policy parameter filters the case hold rule results by the associated case hold policy.