# How to get OPCUA eventId ByteString value of events generated by IIoT OPCUA Event Listener node?

**URL:** <https://discourse.nodered.org/t/how-to-get-opcua-eventid-bytestring-value-of-events-generated-by-iiot-opcua-event-listener-node/5209>\
**Category:** General\
**Created:** [26 November 2018 13:21 UTC](https://discourse.nodered.org/t/how-to-get-opcua-eventid-bytestring-value-of-events-generated-by-iiot-opcua-event-listener-node/5209 "2018-11-26T13:21:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![irmaheshwari96](https://avatars.discourse-cdn.com/v4/letter/i/898d66/32.png) [@irmaheshwari96](https://discourse.nodered.org/u/irmaheshwari96)\
**Post date:** [26 November 2018 13:21 UTC](https://discourse.nodered.org/t/how-to-get-opcua-eventid-bytestring-value-of-events-generated-by-iiot-opcua-event-listener-node/5209/1 "2018-11-26T13:21:09Z")

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Does anyone knows how to get the eventId i.e. of bytestring datatype of the events generated by the IIot-OPCUA-Event-Listener-Node ?

If anyone knows about it please help !