var layerMarkers = new GraphicsLayer();  
       path.forEach((p: any) => {
       	var graphic = new Graphic({
        geometry: {
           type: "point",
        latitude: p[1],
         longitude: p[0],
        spatialReference: view.spatialReference,
         },
          symbol: {
        type: "simple-marker", // autocasts as new SimpleFillSymbol
             color: [255, 10, 10],
             outline: {
           // autocasts as new SimpleLineSymbol()
             color: [255, 255, 255],
              width: 2,
           },
         },
      });
        layerMarkers.add(graphic);
        // map view
        view.map.add(layerMarkers);