How can I hide fcWidget by default and display it later?

Hi everyone:

Good to be here, as the title, I try not to display widget after initializing with the following setting:

window.fcWidgetMessengerConfig = {
          config: {
            headerProperty: {
                hideChatButton: true,
            },
          },
  };

It works fine, but later when I try to show the widget with ‘window.fcWidget.show()’, nothing happens,

Is it possible to achieve this behavior?

Thanks in advance.