---
title: "VideoFrameRequestCallback | 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.

# Interface VideoFrameRequestCallback

-   VideoFrameRequestCallback(  
        now: number,  
        metadata: [VideoFrameCallbackMetadata](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.VideoFrameCallbackMetadata/),  
    ): void[](#videoframerequestcallback)
    
    #### Parameters
    
    -   now: number
    -   metadata: [VideoFrameCallbackMetadata](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.VideoFrameCallbackMetadata/)
    
    #### Returns void