CmdID

CmdID / PowerShell / Cmdlets / Set

Set-AdfsDeviceRegistrationUpnSuffix

Sets the list of UPN suffixes. Windows Server PowerShell reference

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

Opens CmdID with your command, read as PowerShell. It is read in your browser and sent nowhere.

Parameters

3 in the Windows Server PowerShell reference
-ForceForces the command to run without asking for user confirmation.
-Confirm, -cfPrompts you for confirmation before running the cmdlet.
-WhatIf, -wiShows what would happen if the cmdlet runs.