How to add research to unit ?

[Warnem55]

I want a trigger which requires player 2 to have done research 2 for player 1 to have research 1 available...is there a custom script to add research to a unit or any other way to do it?

 

[Adiktuz]

• Player - level of research for player

 

[SA Dashie]

to be more accurate

• Player - Set the current research level of (Tech) to 1 for Player 1 (Red)