CmdID

CmdID / PowerShell / Cmdlets / Get

Get-VMSwitchExternalPortId

Gets the VFP/VSwitch port ID for the external port for a virtual switch. Windows Server PowerShell reference

From the Windows Server PowerShell reference 1 parameter Its page in the reference

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Parameters

1 in the Windows Server PowerShell reference
-SwitchNameSpecifies the name of a virtual switch.