---
title: "env | Grafana Agent documentation"
description: "Learn about env"
---

# env

The `env` function gets the value of an environment variable from the system Grafana Agent Flow is running on. If the environment variable does not exist, `env` returns an empty string.

## Examples

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```none
> env("HOME")
"/home/grafana-agent"

> env("DOES_NOT_EXIST")
""
```