Upgraded units like Age of Empires

[Herod]

Its possible make an upgrade like in units in age of empires? For ex, a barracks trains militia, with upgrade, it will train swordmans, its possible?

Untitled Trigger 008
Events
Unit - A unit owned by Player 1 (Red) Finishes an upgrade
Conditions
(Researched tech-type) Equal to Upgrade to Swordman
Actions
(?????)

 

[Pyrogasm]

Yes, this is how the Orc upgrade of Troll Headhunters to Troll Berserkers works. Look into how that series of upgrades and abilities works.

 

[Herod]

tank you I´ve forgot the headhunter upgrade