Location

Encapsulates a location (a geographic point, and an optional heading).

JSON representation 
{
  "latLng": {
    object (LatLng)
  },
  "heading": integer
}
Fields
latLng

object (LatLng)

The waypoint's geographic coordinates.
heading

integer

The compass heading associated with the direction of the flow of traffic. This value specifies the side of the road for pickup and drop-off. Heading values can be from 0 to 360, where 0 specifies a heading of due North, 90 specifies a heading of due East, and so on. You can use this field only for DRIVE and TWO_WHEELER RouteTravelMode.