93d295fa_pt_API_______Google_Developers__Properties
[Type] MVCArray|Array [Description] The ordered sequence of coordinates of the Polyline. This path may be specified using either a simple array of LatLngs, or an MVCArray of LatLngs. Note that if you pass a simple array, it will be converted to an MVCArray Inserting or removing LatLngs in the MVCArray will automatically update the polyline on the map. [Properties] 
path
Google Maps JavaScript API V3 Reference   |   Google Maps JavaScript API   |   Google Developers