cluster balloon layout

gistfile1.txt

var MyClusterBalloonItemContentLayout = ymaps.templateLayoutFactory.createClass([
  '<a href="/WebApp/tasks/editTask?id={{ properties.taskId }}" title="{{ properties.title }}" class="edit_btn">',
  '<span class="glyphicon glyphicon-edit map_btn edit_map_btn"></span>',
  '</a>'
].join(''), {
  build: function() {
    MyClusterBalloonItemContentLayout.superclass.build.call(this);
    jQuery('.edit_btn', this.getParentElement()).on('click', function(e) {
      ...
    })
  }
});

var myClusterer = new ymaps.Clusterer({
  clusterBalloonItemContentLayout: MyClusterBalloonItemContentLayout,
});
    
myMap.geoObjects.add(myClusterer);


for(...) {
myClusterer.add(new ymaps.GeoObject({
  geometry: {
    type: "Point",
    coordinates: [addresses[i].log, addresses[i].lat]
  },
  properties: {
    taskId: tasksNotDone[i].id,
    title: "Редактировать задание",
  }
}));
}