I know they exist, but I want to create an object in that specific point when I clicked to a point of the game area located
Can you be more clear, there are many steps to do it. For example where I will add these nodes or how will I specify the location the point where I clicked.
You are best to download the template and have a look to understand what to do. I am still figuring it out myself. Or look at the Stuck template, where you press touch to fire an object too.