Enemy does not patrol

[.eX.]

void MonsterFunction(string &in asParent, string &in asChild, int alState)
{
SetEntityActive("servant_brute_1", true);
AddEnemyPatrolNode("servant_brute_1","PathNodeArea_1", 3.50,"");
AddEnemyPatrolNode("servant_brute_1","PathNodeArea_2", 0,"");
AddEnemyPatrolNode("servant_brute_1","PathNodeArea_3", 0,"");
AddEntityCollideCallback("servant_brute_1", "PathNodeArea_3", "FadeEnemyToSmoke", false, 0);
FadeEnemyToSmoke("servant_brute_1", true);
}

enemy just stands still, can u plz help me with this ? I wanted em to walk to these path nodes and on the 3d note to fade (I am new to scripting plz be gentle)