void main()
{

    object oArea = GetArea(OBJECT_SELF);
     // place here the % chance of rest being interruped excample here 33% chance of rest being interuped
    SetLocalInt(oArea, "nMonChance",70);
     // place here the blueprint refrenfrence tag of the creature you wish to attack them
     // or place the word CUSTOM which will send a 201 event to the area starting your won script
     // here it is a goblin
    SetLocalString(oArea, "sMonster","nw_ogre01");
}