---
title: Randomness
summary: null
url: https://www.fastly.com/documentation/reference/vcl/functions/randomness
---

- [randombool](https://www.fastly.com/documentation/reference/vcl/functions/randomness/randombool/)
- [randombool_seeded](https://www.fastly.com/documentation/reference/vcl/functions/randomness/randombool-seeded/)
- [randomint](https://www.fastly.com/documentation/reference/vcl/functions/randomness/randomint/)
- [randomint_seeded](https://www.fastly.com/documentation/reference/vcl/functions/randomness/randomint-seeded/)
- [randomstr](https://www.fastly.com/documentation/reference/vcl/functions/randomness/randomstr/)