﻿---
title: assembler navigation validate
description: Validates navigation.yml does not contain colliding path prefixes and all urls are unique 
url: https://docs-v3-preview.elastic.dev/elastic/docs-builder/pull/2723/cli/assembler/assembler-navigation-validate
---

# assembler navigation validate
Validates [navigation.yml](https://docs-v3-preview.elastic.dev/elastic/docs-builder/pull/2723/configure/site/navigation) does not contain colliding path prefixes and all urls are unique

## Usage

```
docs-builder assembler navigation validate [-h|--help] [--version]
```