CmdID / PowerShell / Cmdlets / Set
Set-AppLockerPolicy
Sets the AppLocker policy for the specified GPO. Windows Server PowerShell reference
From the Windows Server PowerShell reference 6 parameters Its page in the reference
Parameters
-Confirm, -cfPrompts you for confirmation before running the cmdlet.-LdapSpecifies the LDAP path of the GPO.-MergeMerges the rules in the specified AppLocker policy with the AppLocker rules in the target GPO specified in the LDAP path.-PolicyObjectSpecifies the AppLockerPolicy object that contains the AppLocker policy.-WhatIf, -wiShows what would happen if the cmdlet runs.-XmlPolicySpecifies the path where the XML-formatted file that contains the AppLocker policy is saved.