How to add starting delay to units?

[JFAMAP]

Edit: I have solved by myself with upgrade system. I am adding upgrade as requirement and i am making upgrade available anytime i want.

Hello everyone. I want to add units to starting delay before players can train them.

Example: You will see x unit within barracks with specific cooldown. And you cannot train it until it's cooldown expires.

 

[FeelsGoodMan]

First make training of your unit unavailable for the building you want. Then you add an ability with the same description as your unit to the building and set its cooldown to whatever number you want. Start a timer with the duration of the cooldown that when it expires it removes the ability and makes training of your unit available for that building.

 

[JFAMAP]

First make training of your unit unavailable for the building you want. Then you add an ability with the same description as your unit to the building and set its cooldown to whatever number you want. Start a timer with the duration of the cooldown that when it expires it removes the ability and makes training of your unit available for that building.

Thanks for your help but i was solved it by myself in different way (check the post). Thank you my friend.