scope MyTrig {
    include "cj_types_priv.j"

    private bool Conditions() {
        //...
    }

    private void Actions() {
        //...
    }

    callback onInit() {
        trigger trig = CreateTrigger();
        TriggerRegisterAllUnitDamaged(trig);
        TriggerAddCondition(trig, Condition(function Conditions));
        TriggerAddAction(trig, function Actions);
        trig = null;
    }
}