All of the fields in Map List Pro are normal WordPress custom fields. Sometimes you may need to know what these are for some more advanced techniques. The fields are:
maplist_description – The short description used in the list.
maplist_address – The address field.
maplist_latitude – The decimal latitude of the location.
maplist_longitude – The decimal longitude of the location.
maplist_alternateurl – A url to an alternate location for the view detail button to go to.
maplist_marker – A url for a custom map marker for this location.