You can use: <br/>{username} - name of the owner of vehicle<br />{user_name} - name of the renter<br />{vid_value} - ID number rent vehicle<br />{vehicle_title} - title of rent vehicle<br />{model} - vehicle model name<br />{user_email} - email of the renter<br />{user_mailing} - description of the renter<br />{rent_from} - rent vehicle from<br />{rent_until} - rent vehicle until<br />