erCallback("onNodeSelected", el, node);
      },
      /*
        @function markNode
        @description Mark given node at tree
        @param {object} node [Tree node]
      */
      markNode: function (node) {
        var el = this;
        // Deselect previous selected node
        if (el.markedNode) {
          el.markedNode.marked = false;
          vcomet.triggerCallback("onNodeUnmarked", el, el.markedNode);
        }
        if(el.selectedNode) {
          el.selectedNode.selected = false;
        