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---
layout: docs
page_title: 'nomad var init command reference'
description: |
The `nomad var init` command generates an example variable specification that you can customize for your Nomad variables.
---
# `nomad var init` command reference
The `var init` creates an example variable specification file that can be used
as a starting point to customize further.
## Usage
```plaintext
nomad var init <filename>
```
When no filename is supplied, a default filename of "spec.nv.hcl" or
"spec.nv.json" will be used depending on the output format.
## Options
- `-out` `(enum: hcl | json)`: Format of generated variable
specification. Defaults to `hcl`.
- `-quiet`: Do not print success message.
## Examples
Create an example variable specification:
```shell-session
$ nomad var init
Example variable specification written to spec.nv.hcl
```