How force game to use modded AI json file like "brain_human_hard"

[benzoranger]

I am new to modding, started yesterday. i created custom AI json files and i tried put my custom brain_human_easy , mediu, hard json to mod folder but it didnt work . Then tried to make level with "affectDefaultEnemies": true command . it didnt work. Can anyone advise me? Sry for my english .