how to inject notifies through code

static function UpdateAnimations(out array<AnimSet> CustomAnimSets, XComGameState_Unit UnitState, XComUnitPawn Pawn)
{
    local AnimSet Set;
    local AnimSequence Sequence;
    local AnimNotifyEvent NotifyEvent;
    local AnimNotify_FireWeaponVolley TestNotify;
    local int i;

    foreach Pawn.Mesh.AnimSets(Set)
    {
        foreach Set.Sequences(Sequence)
        {
            if (InStr(Sequence.SequenceName, "HL_Psi_SelfCast") != INDEX_NONE)
            {
                `log(`showvar(Sequence.SequenceName));
                for (i = 0; i<Sequence.Notifies.Length; i++)
                {
                    TestNotify = AnimNotify_FireWeaponVolley(Sequence.Notifies[i].Notify);
                    if (TestNotify==none) continue;
                    if (TestNotify!=none && TestNotify.PerkAbilityName == "MCDetonate") return;
                    if (TestNotify!=none && TestNotify.PerkAbilityName == "Fuse")
                    {
                        `log(`showvar(TestNotify.PerkAbilityName));
                        `log(`showvar(TestNotify.bPerkVolley));
                        NotifyEvent.Time = Sequence.Notifies[i].Time;
                        NotifyEvent.Notify = new class'AnimNotify_FireWeaponVolley'(TestNotify);
                        AnimNotify_FireWeaponVolley(NotifyEvent.Notify).PerkAbilityName = "MCDetonate";
                        `log(`showvar(AnimNotify_FireWeaponVolley(NotifyEvent.Notify).bPerkVolley));
                        Sequence.Notifies.InsertItem(i++, NotifyEvent);
                        //break;
                    }
                }
            }
        }
    }
}

static function UpdateAnimations(out array<AnimSet> CustomAnimSets, XComGameState_Unit UnitState, XComUnitPawn Pawn)
{
    local AnimSet Set;
    local AnimSequence Sequence;
    local XComAnimNotify_Aim TestNotify;
    local int i;

    if (!UnitState.IsSoldier())
    {
        return;
    }

    foreach Pawn.Mesh.AnimSets(Set)
    {
        foreach Set.Sequences(Sequence)
        {
            if (InStr(Sequence.SequenceName, "MV_WalkFwdA") != INDEX_NONE ||
                InStr(Sequence.SequenceName, "MV_WalkFwdYellowAlertA") != INDEX_NONE)
            {
                //`log(GetFuncName() @ `showvar(Sequence.SequenceName),, 'TrueStealth');
                for (i = 0; i<Sequence.Notifies.Length; i++)
                {
                    TestNotify = XComAnimNotify_Aim(Sequence.Notifies[i].Notify);
                    if (TestNotify==none) continue;
                    if (TestNotify!=none && TestNotify.Enable)
                    {
                        `log(GetFuncName() @ UnitState.SummaryString @ "Disabling" @ `showvar(TestNotify),, 'TrueStealth');
                        TestNotify.Enable = false;
                        //break;
                    }
                }
            }
        }
    }
}