# How to insert a system variable in a post?

**URL:** https://meta.discourse.org/t/how-to-insert-a-system-variable-in-a-post/131425
**Category:** Support
**Created:** [October 19, 2019, 9:17am UTC](https://meta.discourse.org/t/how-to-insert-a-system-variable-in-a-post/131425 "2019-10-19T09:17:06Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![Mark\_Schmucker](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mark_schmucker/32/124810_2.png) [@Mark\_Schmucker](https://meta.discourse.org/u/Mark_Schmucker)
#### Post date: [October 19, 2019, 6:30pm UTC](https://meta.discourse.org/t/how-to-insert-a-system-variable-in-a-post/131425/4 "2019-10-19T18:30:12Z")

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In the meantime, you may be able to use javascript.

> [@Using Discourse variables to personalize embedded Typeform](https://meta.discourse.org/t/using-discourse-variables-to-personalize-embedded-typeform/111329/5):
>
> Here is my (somewhat clumsy) solution, in case it helps someone. I added this code under Admin \> Customize \> Themes \> Edit CSS/HTML \> /head: \<script type="text/discourse-plugin" version="0.8"\> api.decorateCooked($elem =\> { var i, j; var selector = 'https://example.typeform.com'; // seems like this should work but it doesn't: // var typeforms = $elem[0].querySelectorAll('src^=[' + selector + ']'); var ps = $elem[0].querySele…

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