# Sum up three outputs from mqtt

**URL:** <https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991>\
**Category:** General\
**Created:** [4 August 2019 10:53 UTC](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991 "2019-08-04T10:53:53Z")\
**Posts on this page:** 1\
**Showing post:** 3

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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:** [4 August 2019 11:09 UTC](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991/3 "2019-08-04T11:09:15Z")

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Also see this post on how to share code or flow so that it is importable

> [@How to share code or flow json](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506):
>
> To share code samples or flow json in this forum, you need to take care to format it properly so that it is displayed correctly. The easiest way to do that is to click the 'Preformatted Text' button in the toolbar: [image] Then paste in your code or flow json. You should end up with three back-tick characters - ``` - on their own line before and after the code. On standard US English keyboards, this is on the same key as the ~ character. Using the backticks will ens…

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