when am using Publish/Subscribe since am having multiple tags am not able to makeout which data belongs to which tag.also the time stamp sent is which format. Value: DataValue{value=Variant{value=6}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=131771547482760936, javaDate=Fri Jul 27 14:15:48 IST 2018}, serverTime=DateTime{utcTime=131771547482760936, javaDate=Fri Jul 27 14:15:48 IST 2018}} while using the Async read code.Am able to make out to which tag data belongs to but am not getting the timestamp. [DataValue{value=Variant{value=2}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}, DataValue{value=Variant{value=15}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}, DataValue{value=Variant{value=9}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}] Any idea on why am facing this issue!! , I am trying to run the above code am getting data successfully but in Publish/Subscribe code i have defined multiple node id but when the data comes am not able to make out to which node id the data belongs to. Value: DataValue{value=Variant{value=1}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=131771534829970042, javaDate=Fri Jul 27 13:54:42 IST 2018}, serverTime=DateTime{utcTime=131771534829970042, javaDate=Fri Jul 27 13:54:42 IST 2018}} for the Async Read am not getting the timestamp [DataValue{value=Variant{value=5}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}, DataValue{value=Variant{value=13}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}, DataValue{value=Variant{value=10}, status=StatusCode{name=Good, value=0x00000000, quality=good}, sourceTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}, serverTime=DateTime{utcTime=0, javaDate=Mon Jan 01 05:30:00 IST 1601}}] Any idea why am facing this issue? ... View more