Enabling units/structures on campaign missions.

[Hind Pilot]

How do i change the units that can be produced in mission from a campaign?; im trying to make Chinooks buildable on a early mission (Nod 3) and i managed to make the helipad buildable by changing their "Buildable =" line on the map.ini file (inside 00_CCTDRDXINI) of the mission but they were unable to produce any units, there's no unit production buttons when i click on them, only "sell" and "rallypoint". Tried with the Airstrip and had the same result.

[sgtmyers88]

Well technically you are not supposed to. Thats called cheating. lol But anyways the unit production controls are done via scripts in the map itself which can be triggered to be enabled/disabled in some circumstances.