var geometry = [{lat: 35.9272, lng: -96.7493}, {lat: 35.9272, lng: -96.7493}, {lat: 35.9272, lng: -96.7493}];
var optionalVolumeSetting = 'lowest'; // will default to fit -- See https://support.dronedeploy.com/v1.0/docs/volume-measurement#section-selecting-the-right-baseplane
dronedeployApi.Measurement.getVolume(plan.id, geometry, optionalVolumeSetting)
.then(function(jsonResult){