CmdID

CmdID / PowerShell / Cmdlets / Block

Block-ClusterAccess

Prevents the specified user or users from accessing a failover cluster. Windows Server PowerShell reference

From the Windows Server PowerShell reference 5 parameters Its page in the reference

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

Parameters

5 in the Windows Server PowerShell reference
-ClusterSpecifies the name of the cluster on which to run this cmdlet.
-Confirm, -cfPrompts you for confirmation before running the cmdlet.
-InputObjectSpecifies the cluster on which to block access for the given user.
-UserSpecifies the user for whom to block cluster access.
-WhatIf, -wiShows what would happen if the cmdlet runs.