如何设置图形信息模板

Question

// function to convert point.
function addPointToMap(lon, lat, imgPath) {

//var infoTemplate = new esri.InfoTemplate("${Title}", "Time: ${Time}<br />Location: ${Location}<br />Description: ${Description}<br/>");

            var point = new esri.geometry.Point(lon, lat, new esri.SpatialReference({ wkid: 4326 }))
            var convert_pt = ConvertTo3414(lat, lon) ;
            console.log( "after conversion : " + JSON.stringify(convert_pt ) );

            map.graphics.add(
              new esri.Graphic(
                new esri.geometry.Point(convert_pt.x, convert_pt.y, map.spatialReference),
                new esri.symbol.PictureMarkerSymbol(imgPath, 25, 25)


              )
            );
        }




//PAGE LOAD

for(var i = 0; i < jsonIncident.length; i++)

            {


                    var lat = jsonIncident[i].Latitude 
                    var lon = jsonIncident[i].Longitude 
                    var imgPath;
                    var incidenttype = jsonIncident[i].IncidentType

                    if (incidenttype == "Road Work")
                    {
                    imgPath = "Images/roadworks.png"
                    }

                    if (incidenttype == "Vehicle Breakdown")
                    {
                    imgPath = "Images/breakdown.png"
                    }

                    if (incidenttype == "Accident")
                    {
                    imgPath = "Images/accident.png"
                    }

                    if (incidenttype == "Heavy Traffic")
                    {
                    imgPath = "Images/heavytraffic.png"
                    }               



                                        addPointToMap(lon, lat, imgPath);
                                 }