You'll get given a Default Line-Up Email and Ticket Template when you sign up, but you can edit these to tailor to your Organisation and you can create as many of your own as you'd like.
You may want a template specifically for Reservations, Groups, VAT Invoices, Vouchers, etc. Click the link below for default HTML templates that you can copy and paste into new Email/Ticket Templates on Line-Up.
These contain default information that you may want customise with your own Organisation's information.