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type – to determine appropriate content in the dynamic template, one of values:
bookingConfirmation – Customer created booking
bookingReminder – Booking reminder for customer
bookingActivated – Booking is activate and is a queue ticket now
positionCancelled – staff removed future booking created by the customer
positionCalled – Position called by staff
positionRetry – staff pressed ‘Retry’ because customer did not show up
positionReject positionRejected – staff pressed ‘Reject’ to remove ticket
position – ticket information, including dates, labels, language and more information that can be should be used in the template
actionLink – link to present to customer, link depends on email type (see below)
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