# How to execute expression inside variable?

**URL:** <https://community.n8n.io/t/how-to-execute-expression-inside-variable/4097>\
**Category:** Questions\
**Created:** [January 30, 2021, 3:51pm UTC](https://community.n8n.io/t/how-to-execute-expression-inside-variable/4097 "2021-01-30T15:51:59Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![maxbaluev](https://dub1.discourse-cdn.com/n8n/user_avatar/community.n8n.io/maxbaluev/32/3258_2.png) [@maxbaluev](https://community.n8n.io/u/maxbaluev)\
**Post date:** [January 30, 2021, 3:51pm UTC](https://community.n8n.io/t/how-to-execute-expression-inside-variable/4097/1 "2021-01-30T15:51:59Z")

</div>

![image](https://europe1.discourse-cdn.com/n8n/original/2X/f/fc1f53b6242d20e1cfed3c13e9297d384edbdb76.png)

---

<div class="post-metadata">

**Author:** ![jan](https://dub1.discourse-cdn.com/n8n/user_avatar/community.n8n.io/jan/32/9_2.png) [@jan](https://community.n8n.io/u/jan)\
**Post date:** [January 30, 2021, 4:06pm UTC](https://community.n8n.io/t/how-to-execute-expression-inside-variable/4097/2 "2021-01-30T16:06:52Z")

</div>

That can be done with `$evaluateExpression` as documented here:  
[https://docs.n8n.io/nodes/expressions.html#method-evaluateexpression-expression-string-itemindex-number](https://docs.n8n.io/nodes/expressions.html#method-evaluateexpression-expression-string-itemindex-number)