Click on cube

Unity Engine
,
1

Can you please advise me how I can do this:
If you click on the cube, aplications print: Click on cube.

2

Input.touches, raycast, collider, tag, Debug.Log. docs.unity3d.com.

How is this an iOS question?

3

Oh it was not easy, just add a script button.

4

You must sure have one collide on the cube ,and add a script
like this :
function OnMouseDown ()
{
print(" Click on cube ");
}