Create a Game Start button

Click the + button in the upper left > GUI > Select the start button you want

play-button_deploy Deploy Start Button

If you write it as a scene script, you can write it like this.

PresetScript

const startbtn = GUI.getObject("ballstopcle_button_play_on(e77)");
 
function Start() {
  startbtn.onClick(() => {
    startbtn.hide();
  });
}

play-button_result