I have a pet grooming business I would like to add this message (Dear customers, kindly note that our online booking system is now exclusively available for existing customers. New customers are requested to contact us via phone for any appointment inquiries. We appreciate your cooperation and look forward to serving you and your pets.) before they can book online is that something I can do???
Not that I know of, also people would ignore it lol
you can however add a password and provide this to your existing customers to be able to book
https://squareup.com/help/au/en/article/6881-sell-hidden-items-in-square-online-store
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