CmdID / PowerShell / Cmdlets / Dismount
Dismount-IscsiVirtualDiskSnapshot
Dismounts the snapshot. Windows Server PowerShell reference
From the Windows Server PowerShell reference 4 parameters Its page in the reference
Parameters
-ComputerNameSpecifies the computer name, or IP address, of the remote computer, if this cmdlet is run on a remote computer.-CredentialSpecifies the credentials when connecting to a remote computer.-InputObjectAccepts an iSCSI virtual disk snapshot object from the input pipeline.-SnapshotIdSpecifies the identifier (ID) for the snapshot.