book-appointment
ChatGPTINTERNAL — invoked by the widget's own buttons only. The assistant must NOT call this directly; use create_myo_booking_link to generate the booking link. Build a Boulevard online-booking deep-link. Use after the user has picked a location and service. Returns the URL the user clicks to complete booking on Myo's site, plus a
caveats array describing what the link does and doesn't pre-fill. The user picks their provider on Boulevard's booking page.





