# Programically control mqtt in and mqtt out nodes

**URL:** <https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127>\
**Category:** General\
**Tags:** mqtt, uibuilder\
**Created:** [5 March 2023 10:30 UTC](https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127 "2023-03-05T10:30:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![miladmrm](https://avatars.discourse-cdn.com/v4/letter/m/a4c791/32.png) [@miladmrm](https://discourse.nodered.org/u/miladmrm)\
**Post date:** [5 March 2023 10:30 UTC](https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127/1 "2023-03-05T10:30:55Z")

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In my flow, I set an Interval and I send message from mqtt out node repetitiously.  
Now I want to stop sending programmatically without re-deploy Node-RED.  
How can I do this?  
How can I manage mqtt in/out nodes connections?

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**Author:** ![fmarzocca](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/fmarzocca/32/35901_2.png) [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Post date:** [5 March 2023 10:59 UTC](https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127/2 "2023-03-05T10:59:34Z")

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a simple-gate node?

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**Author:** ![E1cid](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/e1cid/32/77971_2.png) [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Post date:** [5 March 2023 11:13 UTC](https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127/3 "2023-03-05T11:13:21Z")

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Or if you read the help text you will see dynamic connection details.  
[edit] if running latest node-red 3+

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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:** [4 May 2023 11:13 UTC](https://discourse.nodered.org/t/programically-control-mqtt-in-and-mqtt-out-nodes/76127/4 "2023-05-04T11:13:57Z")

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