Create your route file by selecting a destination and providing a hint/direction
and click "Add step to the list". The order of the list is the order the recipient
must follow to unlock the box.
Select the destination by clicking the spot on the map. Zoom in to increase accuracy
and adjust the tolerance setting to increase/decrease the green zone:
Input the hint or direction for this location:
Tolerance (radius). This changes the size of the area around the destination: