Trotskyist Trait ID
The gain_xp trait ID for Trotskyist in Hearts of Iron IV is trait_SOV_trotskyist.
Trotskyist
LandPersonality Trait
Grant this trait to your selected commander with the gain_xp command and the trait ID trait_SOV_trotskyist.
About this trait
This character is loyal to the Trotskyist cause and will side with the Trotskyists in the event of a civil war.