Method registerAction

src/base-element.js:690–693

* Registers the action handler for the method with the specified name. * * The handler is only invoked by events with trust equal to or greater than * `minTrust`. Otherwise, a user error is logged. * * @param {string} alias * @param {function(!./service/action-impl.ActionInvocation

(alias, handler, minTrust = ActionTrust_Enum.DEFAULT)

   * @public
   */
  registerAction(alias, handler, minTrust = ActionTrust_Enum.DEFAULT) {
    initActionMap(this);
    this['actionMap_'][alias] = {handler, minTrust};
  }

  /**
   * Registers the default action for this component.