Reason
{{var reason}}

Checkout Type
{{var checkoutType}}

Customer:
{{var customer}} <{{var customerEmail}}>

Items
{{var items}}

Total:
{{var total}}

Billing Address:
{{var billingAddress.format('html')}}

Shipping Address:
{{var shippingAddress.format('html')}}

Shipping Method:
{{var shippingMethod}}

Payment Method:
{{var paymentMethod}}

Date & Time:
{{var dateAndTime}}