OnStart()

override void OnStart

(

ActionData

action_data

)

sets the m_ActionNeeded flag on both sides

См. определение в файле ActionVehicleHorn.c строка 134

    {
        super.OnStart(action_data);
        
        VehicleHornActionData vehicleHornData  = VehicleHornActionData.Cast(action_data);
        vehicleHornData.m_ActionNeedEnd          = true;
        vehicleHornData.m_Transport              = action_data.m_Player.GetCommand_Vehicle().GetTransport();
    }

Перекрестные ссылки VehicleHornActionData::m_ActionNeedEnd, ActionData::m_Player и VehicleHornActionData::m_Transport.