How to show UI canvas on mouseover?,showing UI on mouseover

I created a canvas which holds additional info about a player that I don’t want to clutter up the screen with and would like this to show only on mouseover. How can I do this?,I have created a canvas that contains additional information about a player such as health bar, experience, etc that I don’t want to clutter up the screen with normally. I would like this canvas to appear only when you bring the mouse over the player. How can I do this?

Check link: Unity - Scripting API: MonoBehaviour.OnMouseOver()

So the script should say something like this?

void OnMouseOver()
{
display??? = true;
}

And I have no idea what to put in place of the question marks.