ray

    void rayGo()
    {
        //Converting Mouse Pos to 2D (vector2) World Pos
        Vector2 rayPos = new Vector2(Camera.main.ScreenToWorldPoint(Input.mousePosition).x, Camera.main.ScreenToWorldPoint(Input.mousePosition).y);
        RaycastHit2D hit = Physics2D.Raycast(rayPos, Vector2.zero, 0f);

        if (hit)
        {
            Debug.Log(hit.transform.name);
        }
    }