If it happens that there will be an animal on the aircraft, you can add and store its details in Leon database. You add an animal in the same way as a person, with one exception - a checkbox Animal must be marked in the passenger's profile (in this case animal's).
In a section SCHEDULE open right-hand filter (tab PAX), click the icon and when 'Edit Person' window appears, mark a checkbox Animal, add animal's name, DoB and a passport. You can also add animal's preferences (favourite food for example) - this information will show on Trip Sheet document, which can be sent to crew.
Animal's details will also show on Pax Manifest document.