Unit spawn help

[leon0007]

How to set like this?
First,You have 2 min to buy thing or whatever.After two min past,it start create 3 footman every 1 minute.

 

[X-maul]

Wait - [COLOR="Red"]Initially On[/COLOR]
    Events
        Time - Elapsed game time is 120.00 seconds
    Conditions
    Actions
        Trigger - Turn on Footman <gen>

Footman - [COLOR="Red"]Initially Off[/COLOR]
    Events
        Time - Every 60.00 seconds of game time
    Conditions
    Actions
        Unit - Create 3 Footman for Player 1 (Red) at (Center of (Playable map area)) facing Default building facing degrees

 

[leon0007]

Thank.