Send a client specific link to the booking page with client ref

Hi

Had a look at booking 365 ..looks good.

Q. we want to send email to our client to the booking page . I see in the booking 365 blog

It’s easy to link to your scheduling page from an email that you send to customers

a) how

b) is it possible for the booking page url to contain a client ref or unique booking request id, which we could link back to the client ? , once booked , the ref would get into the outlook appointment.( We are able to read outlook appointment ok  but where woudl the ref go)

c) support or send a tiny url for sms to teh booking page.