# Controlling Relay

**URL:** <https://discourse.nodered.org/t/controlling-relay/13243>\
**Category:** General\
**Created:** [13 July 2019 15:16 UTC](https://discourse.nodered.org/t/controlling-relay/13243 "2019-07-13T15:16:45Z")\
**Posts on this page:** 1\
**Showing post:** 5

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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:** [14 July 2019 06:26 UTC](https://discourse.nodered.org/t/controlling-relay/13243/5 "2019-07-14T06:26:15Z")

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Please see this post on how to share a flow, however I can see that you have not included inject nodes to exercise the output.  
Also check in the terminal whether any error is shown when you exercise the output.

> [@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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