# What's wrong with msg.topic : the query is not defined as a string?

**URL:** <https://discourse.nodered.org/t/whats-wrong-with-msg-topic-the-query-is-not-defined-as-a-string/39756>\
**Category:** General\
**Created:** [26 January 2021 07:17 UTC](https://discourse.nodered.org/t/whats-wrong-with-msg-topic-the-query-is-not-defined-as-a-string/39756 "2021-01-26T07:17:09Z")\
**Posts on this page:** 1\
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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [26 January 2021 07:29 UTC](https://discourse.nodered.org/t/whats-wrong-with-msg-topic-the-query-is-not-defined-as-a-string/39756/4 "2021-01-26T07:29:37Z")

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Hi, in order to make code more readable and importable it is important to surround your code with three backticks  
`````  
`like this`  
`````

You can edit and correct your post by clicking the pencil icon.

See this post for more details - [How to share code or flow json](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506)

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