1# Interface (MediaAssetProgressHandler) 2 3> **NOTE** 4> 5> - The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version. 6> - The initial APIs of this interface are supported since API version 15. 7 8MediaAssetProgressHandler is used to obtain the media asset processing progress from **onProgress()**. 9 10## Modules to Import 11 12```ts 13import { photoAccessHelper } from '@kit.MediaLibraryKit'; 14``` 15 16## onProgress<sup>15+</sup> 17 18onProgress(progress: number): void 19 20Called when the progress of the requested video is returned. 21 22**System capability**: SystemCapability.FileManagement.PhotoAccessHelper.Core 23 24**Parameters** 25 26| Name | Type | Mandatory| Description | 27| ------- | ------- | ---- | -------------------------- | 28| progress | number | Yes | Progress in percentage. <br>Value range: 0 to 100| 29