In Book That In, you can customise the emails that are sent out to your customers from the Company Settings --> Email area.
But what if you want to tailor the emails further? For example, you may want to include specific parking instructions whenever someone books an activity at a particular address; or you may to include specific instructions when someone books a particular Class, Event, Appointment or Subscription.
You can do this by using the {AddressComment} and the {BookingTypeWarning} email tags.
This video shows you how to do this: