gistfile1.txt

var geoLayer = map._layers['geofence'];
console.log("EL ", geoLayer)
var renderer = new esri.renderer.SimpleRenderer(
  new esri.symbol.SimpleFillSymbol("solid", null, new dojo.Color([255, 0, 255, 0.75]) 
));
                    
                          geoLayer.setRenderer(renderer);
                          console.log('GEOLAYER!', geoLayer)
                          map.addLayer(geoLayer);