Leaflet - third step

script.js

var muxiCoordinates = [-22.903719, -43.1760605];
var muxiMarkerMessage = "A Muxi fica aqui.<br>Olá mundo!";

var muxiIconProperties = {
  iconUrl: "http://muxi.com.br/app/webroot/img/maps-marker.png"
, iconSize: [44, 59]
, iconAnchor: [22, 59]
, popupAnchor: [0, -50]
};

var muxiIcon = L.icon(muxiIconProperties);

L.marker(muxiCoordinates, {icon: muxiIcon})
  .addTo(map)
  .bindPopup(muxiMarkerMessage)
;