---
title: "ValidationError | 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 ValidationError

type ValidationError \= {  
    [identifier](#identifier)?: string;  
    [line](#line): number;  
    [message](#message): string;  
}

##### Index

### Properties[](#properties)

[identifier?](#identifier) [line](#line) [message](#message)

## Properties[](#properties-1)

### `Optional`identifier[](#identifier)

identifier?: string

### line[](#line)

line: number

### message[](#message)

message: string