GetIsAreaAboveGround

GetIsAreaAboveGround(object oArea)
Look if the area oArea is natural

// Returns AREA_ABOVEGROUND if the area oArea is above ground, AREA_UNDERGROUND otherwise. // Returns AREA_INVALID, on an error. int GetIsAreaAboveGround(    object oArea, );

Note

 * AREA_ABOVEGROUND is declared as 1 in nwscript.nss, and AREA_UNDERGROUND as 0