Add-MailboxFolderPermission

1st Microsoft Example

Add-MailboxFolderPermission -Identity <MailboxFolderIdParameter>
-AccessRights <MailboxFolderAccessRight[]> 
-User <MailboxFolderUserIdParameter> 
[-Confirm [<SwitchParameter>]]
[-DomainController <Fqdn>] 
[-WhatIf [<SwitchParameter>]]