# Information about opcua client node

**URL:** <https://discourse.nodered.org/t/information-about-opcua-client-node/80281>\
**Category:** General\
**Tags:** function-node\
**Created:** [3 August 2023 10:50 UTC](https://discourse.nodered.org/t/information-about-opcua-client-node/80281 "2023-08-03T10:50:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kshitizbohara](https://avatars.discourse-cdn.com/v4/letter/k/ed8c4c/32.png) [@kshitizbohara](https://discourse.nodered.org/u/kshitizbohara)\
**Post date:** [3 August 2023 10:50 UTC](https://discourse.nodered.org/t/information-about-opcua-client-node/80281/1 "2023-08-03T10:50:13Z")

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Hi I just wanted to know about the SUBSCRIBE action in opcua client node. Is it working based on polling ?

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [2 October 2023 10:50 UTC](https://discourse.nodered.org/t/information-about-opcua-client-node/80281/2 "2023-10-02T10:50:18Z")

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