code: function link (outlet, editor) {
    if (getLocationForItem(editor) === 'center') {
      outlet.element.setAttribute('outlet-linked-editor-id', editor.id)
    } else {
      outlet.element.removeAttribute('outlet-linked-editor-id')
    }
  }
docs: When outlet was created from an editor. Call this function to link outlet to that editor. Linked editor will not be hidden while outlet relocation. Only editor in center container can be linked.