Help and guidance for How to send iMessage appointment reminders through High Level.
A workflow that:

In HighLevel:
Appointment Reminders (Blooio)
This matches your trigger settings here:
✅ Now the workflow only fires when the appointment becomes confirmed.

Add an action right after the trigger:
This is useful so replies route to the correct rep in the conversation view.
Add an action:
Suggested confirmation message (edit to your tone):
“You’re booked ✅ for {{appointment.start_time}}.”
Best practices
Add another action:
Suggested message:
“If you need to reschedule, just reply ‘reschedule’ and we’ll help.”
(Or include your reschedule link if you use one.)
If you wanna cancel or reschedule click here:{{appointment.reschedule_link}} or text me here too
{{appointment.start_time}}
If you wanna cancel or reschedule click here:{{appointment.reschedule_link}} or text me here too
If you wanna add it to your google cal click here {{appointment.add_to_google_calendar}} or if you wanna add it to apple or outlook click here {{appointment.add_to_ical_outlook}}
Here's the meeting link {{appointment.meeting_location}}Now we want the workflow to pause and then resume at a specific offset before the appointment time.
Add action:
Configure it like this:
This matches your Wait configuration screenshot:
Important setting:
Leave “If the timing of this wait step is already in the past” → “Move to the next step”
So if someone books last-minute, they still receive the next message instead of getting stuck.

Immediately after the Wait step, add:
Suggested 30-minute reminder:
“Reminder: you’re up in ~30 minutes. Let me know if you need the link”
(“HERE” confirmation is optional, but it increases show-up rate.)
If you want a second reminder (ex: ~2 minutes before):
Suggested final reminder:
“We’re starting now — here’s the link: {{appointment.meeting_link}}”