Vlad Maybe something like that?
Title: Access Messages to AutoFill 2FA
Text: Orion offers enhanced functionality to automatically scan your SMS messages for 2FA codes. To enable this feature, you'll need to grant Full Disk Access. With this permission, Orion can retrieve one-time passwords from your Messages app for AutoFill. Would you like to authorize Full Disk Access?
[ Grant Access ] [ Not Now ]
If user agrees, show them an alert with instructions how to do that (as other apps do) and two other buttons:
[ Go to System Settings ] [ Not Now ]
Please also check this convenience wrapper for requesting macOS permissions:
https://github.com/MacPaw/PermissionsKit