static function EventListenerReturn SecondaryPistol_Listener(Object EventData, Object EventSource, XComGameState GameState, Name EventID, Object CallbackData)
{
    local XComGameStateContext_Ability  AbilityContext;
    local XComGameStateHistory          History;
    local XComGameState_Unit            SourceUnit, TargetUnit;
    local XComGameState_Ability         PrimaryAbilityState, SecondaryAbilityState;
    local X2AbilityTemplate             PrimaryAbilityTemplate;
    local XComGameState_Item            PrimaryWeaponItemState;
    local XComGameStateContext          FindContext;
    local int                           VisualizeIndex;

    //local array<StateObjectReference> PossibleTargets;
    //local StateObjectReference BestTargetRef;
    //local int BestTargetHP;
    //local int i;
    //local bool bAbilityContinues;
    //

    // ==============
    `LOG("Listener activated",, 'IRIPISTOL');
    History = `XCOMHISTORY;
    AbilityContext = XComGameStateContext_Ability(GameState.GetContext());

    if (AbilityContext != none && AbilityContext.InterruptionStatus != eInterruptionStatus_Interrupt)
    {
        SourceUnit = XComGameState_Unit(GameState.GetGameStateForObjectID(AbilityContext.InputContext.SourceObject.ObjectID));
        TargetUnit = XComGameState_Unit(GameState.GetGameStateForObjectID(AbilityContext.InputContext.PrimaryTarget.ObjectID));
        PrimaryAbilityState = XComGameState_Ability(GameState.GetGameStateForObjectID(AbilityContext.InputContext.AbilityRef.ObjectID));
        SecondaryAbilityState = XComGameState_Ability(History.GetGameStateForObjectID(SourceUnit.FindAbility('PistolStandardShot_Secondary').ObjectID));

        `LOG("SourceUnit: " @ SourceUnit.GetFullName(),, 'IRIPISTOL');
        `LOG("TargetUnit: " @ TargetUnit.GetFullName(),, 'IRIPISTOL');
        `LOG("PrimaryAbilityState: " @ PrimaryAbilityState.GetMyTemplateName(),, 'IRIPISTOL');
        `LOG("SecondaryAbilityState: " @ SecondaryAbilityState.GetMyTemplateName(),, 'IRIPISTOL');

        if (SourceUnit != none && TargetUnit != none && PrimaryAbilityState != none && SecondaryAbilityState != none)
        {
            PrimaryWeaponItemState = XComGameState_Item(History.GetGameStateForObjectID(AbilityContext.InputContext.ItemObject.ObjectID));
            PrimaryAbilityTemplate = PrimaryAbilityState.GetMyTemplate();

            `LOG("PrimaryWeaponItemState: " @ PrimaryWeaponItemState.GetMyTemplateName(),, 'IRIPISTOL');
            `LOG("Ability template is hostile: " @ PrimaryAbilityTemplate.Hostility == eHostility_Offensive,, 'IRIPISTOL');

            //  check if the triggering ability comes from a pistol
            if (class'X2DownloadableContentInfo_DualWieldedPistols'.default.PistolCategories.Find(X2WeaponTemplate(PrimaryWeaponItemState.GetMyTemplate()).WeaponCat) != INDEX_NONE)
            {
                if (PrimaryAbilityTemplate.Hostility == eHostility_Offensive && //  triggering ability is offensive
                !PrimaryAbilityTemplate.IsMelee() &&    //  triggering ability is not a melee attack
                PrimaryWeaponItemState.InventorySlot == eInvSlot_PrimaryWeapon && // triggering ability comes from the primary weapon
                SourceUnit.IsEnemyUnit(TargetUnit) && TargetUnit.IsAlive()) // target is a living enemy
                {
                    `LOG("Activating secondary shot",, 'IRIPISTOL');

                    //  Getting the Visualize Index for the triggering ability to pass it along for the Merge Viz function
                    VisualizeIndex = GameState.HistoryIndex;
                    while( FindContext.InterruptionHistoryIndex > -1 )
                    {
                        FindContext = History.GetGameStateFromHistory(FindContext.InterruptionHistoryIndex).GetContext();
                        VisualizeIndex = FindContext.AssociatedState.HistoryIndex;
                    }

                    SecondaryAbilityState.AbilityTriggerAgainstSingleTarget(TargetUnit.GetReference(), false, VisualizeIndex);
                }
            }
        }
    }
    return ELR_NoInterrupt;
}