path not being displayed in map about ui-leaflet HOT 2 OPEN

$scope.paths = {};
$promise.then(function() {

       angular.extend($scope, {
                    paths: {
                        c1: {
                            weight: 2,
                            color: "#ff612f",
                            latlngs: { lat: 1, lng: -2 },
                            radius: 50,
                            type: "circleMarker"
                        }
                    }
                });        
 }