# Problem passing topic.trigger to JOIN node

**URL:** <https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745>\
**Category:** General\
**Created:** [24 October 2020 13:00 UTC](https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745 "2020-10-24T13:00:03Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [24 October 2020 14:20 UTC](https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745/4 "2020-10-24T14:20:24Z")

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Is this the same question as on the [other thread](https://discourse.nodered.org/t/refresh-ui-avoiding-msg-loops/34550)? If so then please close one of them and keep the conversation to one thread. I have already suggested using retained topics in the other thread.

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_[View the full topic](https://discourse.nodered.org/t/problem-passing-topic-trigger-to-join-node/34745)._