---
title: "RequestManager | 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.

# Class RequestManager

##### Index

### Constructors[](#constructors)

[constructor](#constructor)

### Methods[](#methods)

[setTransformRequest](#settransformrequest) [transformRequest](#transformrequest)

## Constructors[](#constructors-1)

### constructor[](#constructor)

-   new RequestManager(  
        transformRequestFn?: [RequestTransformFunction](https://docs.maptiler.com/sdk-js/api-reference/types/RequestTransformFunction/) | null,  
    ): RequestManager[](#constructorrequestmanager)
    
    #### Parameters
    
    -   `Optional`transformRequestFn: [RequestTransformFunction](https://docs.maptiler.com/sdk-js/api-reference/types/RequestTransformFunction/) | null
    
    #### Returns RequestManager
    

## Methods[](#methods-1)

### setTransformRequest[](#settransformrequest)

-   setTransformRequest(transformRequest: [RequestTransformFunction](https://docs.maptiler.com/sdk-js/api-reference/types/RequestTransformFunction/) | null): void[](#settransformrequest-1)
    
    #### Parameters
    
    -   transformRequest: [RequestTransformFunction](https://docs.maptiler.com/sdk-js/api-reference/types/RequestTransformFunction/) | null
    
    #### Returns void
    

### transformRequest[](#transformrequest)

-   transformRequest(  
        url: string,  
        type: [ResourceType](https://docs.maptiler.com/sdk-js/api-reference/enums/ResourceType/),  
    ): [RequestParameters](https://docs.maptiler.com/sdk-js/api-reference/types/RequestParameters/) | Promise<[RequestParameters](https://docs.maptiler.com/sdk-js/api-reference/types/RequestParameters/)\>[](#transformrequest-1)
    
    #### Parameters
    
    -   url: string
    -   type: [ResourceType](https://docs.maptiler.com/sdk-js/api-reference/enums/ResourceType/)
    
    #### Returns [RequestParameters](https://docs.maptiler.com/sdk-js/api-reference/types/RequestParameters/) | Promise<[RequestParameters](https://docs.maptiler.com/sdk-js/api-reference/types/RequestParameters/)\>