---
title: sanitize field-name cli command
description: Sanitize a mapping field name 
url: https://www.elastic.co/elastic/docs-builder/docs/4120/reference/elastic-cli/cli/sanitize/field-name
applies_to:
  - Elastic Cloud Serverless: Preview
  - Elastic Stack: Preview
---

# sanitize field-name cli command
```bash
elastic sanitize field-name <value>
```

Sanitize a mapping field name

## Arguments

<definitions>
  <definition term="<value> string required">
    the value to sanitize
  </definition>
</definitions>


## sanitize Options

<definitions>
  <definition term="--dry-run">
    validate all inputs and exit without performing any action (preview changes without applying them)
  </definition>
</definitions>


## Global Options

<definitions>
  <definition term="--json">
    output as JSON
  </definition>
</definitions>