https://cintra.freshdesk.com/support/solutions/articles/204000025893-how-do-i-set-up-policy-documents-
How do I set up policy documents? - Cintra Support
how do iset up policydocumentscintrasupport
https://support.apple.com/en-us/119845
How to set up policy banners in macOS - Apple Support
Learn how to set custom banners to appear at the login window on your Mac.
how to set uppolicybannersmacosapple