> ## Documentation Index
> Fetch the complete documentation index at: https://bruno-a6972042-mintlify-process-env-global-env-1775295055.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Scripting

Bruno allows you to write JavaScript code before sending a request (Pre-request) and after receiving a response (Post-response). Use scripts to generate dynamic data, manipulate requests, parse responses, and set variables.

<img src="https://mintcdn.com/bruno-a6972042-mintlify-process-env-global-env-1775295055/fRCXeEb5sR13hfB_/images/screenshots/script/scripting.webp?fit=max&auto=format&n=fRCXeEb5sR13hfB_&q=85&s=c956553857eb7221bc13a2785ded08e8" alt="bru lang sample" width="2472" height="924" data-path="images/screenshots/script/scripting.webp" />