> ## Documentation Index
> Fetch the complete documentation index at: https://bruno-a6972042-mintlify-testing-jsonbody-jsonschema-1777266.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-testing-jsonbody-jsonschema-1777266/-KttPu9v9PTFTBaB/images/screenshots/script/scripting.webp?fit=max&auto=format&n=-KttPu9v9PTFTBaB&q=85&s=d2c2b1e23c79fdb2af5543d54a1bd5f3" alt="bru lang sample" width="2472" height="924" data-path="images/screenshots/script/scripting.webp" />