---
title: "Validator | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias Validator

Validator: (a: any) \=> readonly [ValidationError](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ValidationError/)\[\]

#### Type Declaration

-   -   (a: any): readonly [ValidationError](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ValidationError/)\[\]
    -   #### Parameters
        
        -   a: any
        
        #### Returns readonly [ValidationError](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ValidationError/)\[\]