How to Spawn objects outside the screen

Games
#1

im trying to spawn the same object multiple times but i dont want it to spawn inside the screen, i want to spawn it off the screen and then make it go to the center of the screen, somthing like this:

#2

look at this guys, this helped me solve it

http://gmc.yoyogames.com/index.php?showtopic=518907

#3

look at this guys, this helped me solve it

http://gmc.yoyogames.com/index.php?showtopic=518907