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

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# 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")
""
```