There are eight searchtypes.
1: City search
Fields: city,state,country
2: Country search
Field: country
3: Coordinates search
Field: coordinates in the following format latitude::longitude:landmarkname
4: Landmark name search
Fields: landmarkname,city,state,country
5: State code search
Field:state
6: postal/zip code search
Field:postalcode
7: airport name or code search
Field: airport
8: Poly Search and Landmark CodeID search
Fields: polyid,locationSearchType,city,state,country