CmdID

CmdID / PowerShell / Cmdlets / Get

Get-AppxVolume

Gets appx volumes for the computer. Windows Server PowerShell reference

From the Windows Server PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Windows Server PowerShell reference
-OfflineIndicates that this cmdlet returns only volumes that are currently dismounted.
-OnlineIndicates that this cmdlet returns only volumes that are currently mounted.
-PathSpecifies the path of the mount point of a volume.