is there any method to transform x y z to latitude longitude in Mapbox Location ??

i have a mapbox (location based game)
i want to put an object 3D in this mapbox that i transform x y z into latitude longitude

i do this

AbstractMap _map;

string _locationStrings;
Mapbox.Utils.Vector2d _locations;

public float Lat; //cor
public float Long;//cor

 void Start()
    AbstractMap[] tmp = FindObjectsOfType<AbstractMap>();
    _map = tmp[0];

void convertor()
    _locations = new Mapbox.Utils.Vector2d(Lat, Long);
   gameObject.transform.localPosition = _map.GeoToWorldPosition(_locations, true);
   gameObject.transform.localScale = new Vector3(_spawnScale, _spawnScale, _spawnScale);
   float a=transform.position.y +  Alt;
   transform.position = new Vector3(transform.position.x, a, transform.position.z);