---
title: "CoordinatesTransformOptions | 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 CoordinatesTransformOptions

Options that can be provided when transforming a coordinate from one CRS to another.

type CoordinatesTransformOptions \= {  
    [apiKey](#apikey)?: string;  
    [operations](#operations)?: number | number\[\];  
    [sourceCrs](#sourcecrs)?: number;  
    [targetCrs](#targetcrs)?: number;  
}

##### Index

### Properties[](#properties)

[apiKey?](#apikey) [operations?](#operations) [sourceCrs?](#sourcecrs) [targetCrs?](#targetcrs)

## Properties[](#properties-1)

### `Optional`apiKey[](#apikey)

apiKey?: string

Custom MapTiler Cloud API key to use instead of the one in global `config`

### `Optional`operations[](#operations)

operations?: number | number\[\]

List of codes of operations

### `Optional`sourceCrs[](#sourcecrs)

sourceCrs?: number

Source coordinate reference system (default: 4326)

### `Optional`targetCrs[](#targetcrs)

targetCrs?: number

Target coordinate reference system (default: 4326)