How do you change what bonuses for weapon types?

[DEDsloththeelf]

Does anybody know how to change the weapon type advantages?

 

[Pharaoh_]

Go to Advanced menu -> Gameplay constants -> Combat - Damage bonus table. If you speak of implementing new advantages, you will need triggering and a unitpool, by saving the bonus abilities to them. When a unit type enters the playable map area, add the bonuses to them.