private DT_DATA _PLC;
    [UANode(BrowsePath = "/DATA")]
    public DT_DATA PLC
    {
        get { return this._PLC ?? (this._PLC = new DT_DATA()); }
        set
        {
            if (value == this._PLC) return;
            this._PLC = value;
            this.OnPropertyChanged();
        }
    }



    private UAClientMapper _Mapper;

    public UAClientMapper Mapper
    {
        get { return this._Mapper ?? (this._Mapper = new UAClientMapper()); }
        set
        {
            if (value == this._Mapper) return;
            this._Mapper = value;
        }
    }

    public void Subscribing(bool active)
    {
        _Mapper.Subscribe(active);
    }

    public void AddToMapping()
    {
        var parse = UABrowsePath.Parse("[ObjectsFolder]/PLC_OPC_UA.DataBlocksGlobal", "http://www.siemens.com/simatic-s7-opcua");

        Mapper.Map(PLC, new UAMappingContext()
        {
            EndpointDescriptor = "opc.tcp://10.10.31.228:4840",   // the OPC server
            NodeDescriptor = new UANodeDescriptor
            {
                BrowsePath = parse
            },
            MonitoringParameters = 100,  // requested sampling interval (for subscriptions)
        });

        Subscribing(true);
        var count = Mapper.SubscribedMonitoredItemCount;
    }


    [UANamespace("http://www.siemens.com/simatic-s7-opcua")]
    [UAType]
    public class DT_DATA : DisplayData
    {

	  private UDT_Counters m_UDT_Counters;
        [UANode(BrowsePath = ".UDT_Counters")]
        public UDT_Counters udt_Counters
        {
            get
            {
                if (m_UDT_Counters == null)
                {
                    m_UDT_Counters = new UDT_Counters();
                }
                return m_UDT_Counters;
            }

            set
            {
                m_UDT_Counters = value;
            }
        }
		
	
        private ArrUDT_Counters_ARRAY m_ArrUDT_Counters;
        [UANode(BrowsePath = ".[nsu=http://www.siemens.com/simatic-s7-opcua;s=ArrUDT_Counters]")]
        public virtual ArrUDT_Counters_ARRAY ArrUDT_Counters
        {
            get
            {
                if (m_ArrUDT_Counters == null)
                {
                    this.m_ArrUDT_Counters = new ArrUDT_Counters_ARRAY();
                }
                return this.m_ArrUDT_Counters;
            }
            set
            {
                this.m_ArrUDT_Counters = value;
            }
        }

        [UAType()]
        [UANamespace("http://www.siemens.com/simatic-s7-opcua")]
        public class ArrUDT_Counters_ARRAY
        {

            private UDT_Counters m_Index_8;

            [UANode(BrowsePath = ".&8")]
            public virtual UDT_Counters Index_8
            {
                get
                {
                    if (m_Index_8 == null)
                    {
                        this.m_Index_8 = new UDT_Counters();
                    }
                    return this.m_Index_8;
                }
                set
                {
                    this.m_Index_8 = value;
                }
            }
        }
    


    }


    [UANamespace("http://www.siemens.com/simatic-s7-opcua")]
    [UAType]
    public class UDT_Counters : DisplayData
    {

        private Int64 _AsDWord;
        // Specifying BrowsePath-s here only because we have named the class members differently from OPC node names.
        [UANode(BrowsePath = ".AsDWord")]
        public Int64 AsDWord
        {
            get
            {
                if (_AsDWord == null)
                {
                    _AsDWord = new Int64();
                }
                return _AsDWord;
            }

            set
            {
                _AsDWord = value;
            }
        }


        private Int64 m_AsInt;
        [UANode(BrowsePath = ".AsInt")]
        public virtual Int64 AsInt
        {
            get
            {
                if (m_AsInt == null)
                {
                    m_AsInt = new Int64();
                }
                return this.m_AsInt;
            }
            set
            {
                this.m_AsInt = value;
            }
        }


        private string m_AsString;
        [UANode(BrowsePath = ".AsString")]
        public virtual string AsString
        {
            get
            {
                if (m_AsString == null)
                {
                    m_AsString = "";
                }
                return this.m_AsString;
            }
            set
            {
                this.m_AsString = value;
            }
        }
    }