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# Method name: generateFileDownloadUrl(fileId: string, options: GenerateFileDownloadUrlOptions)

# Method package: wixMediaV2

# Method menu location: wixMediaV2 --> files --> generateFileDownloadUrl

# Method Link: https://dev.wix.com/docs/velo/apis/wix-media-v2/files/generate-file-download-url.md

# Method Description:

Generates one or more temporary URLs for downloading a specific file in the Media Manager.

To download different assets of the file, specify the `assetKeys` parameter which generates a download URL for each asset.
If no `assetKey` is specified, it defaults to `src`, which generates one download URL in the original file's format and quality.

Call this endpoint to grant external clients access to a private media file. Specify the `expirationInMinutes` parameter to set the URL expiration time, and the `expirationRedirectUrl` parameter to add a redirect url when the URL expires.

To generate a permanent URL for downloading a compressed file that contains multiple files in the Media Manager, call the Generate Files Download URL endpoint.
Since this is a permanent URL, it is less secure.
Therefore, to download private files, call the Generate File Download URL endpoint for each private file that you want to generate a download URL for.



# Method Code Examples:

*** Note: do not assume any prop names or enum values other than the ones in the example.

## Generate a file download URL (dashboard page code)

```javascript
import { files } from 'wix-media.v2';

/* Sample fileId value: 'd4dde1_dee18c9ada174a818ccf75c50e72c739~mv2.jpg' */

async function myGenerateFileDownloadUrlFunction(fileId) {
  try {
    const result = await files.generateFileDownloadUrl(fileId);

    return result;
  } catch (error) {
    console.error(error);
    // Handle the error
  }
}

/* Promise resolves to:
 * {
 *   "downloadUrls": [
 *     {
 *       "assetKey": "src",
 *       "url": "https://download-files.wixmp.com/media/d4dde1_dee18c9ada174a818ccf75c50e72c739~mv2.jpg?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ1cm46YXBwOmU2NjYzMGU3MTRmMDQ5MGFhZWExZjE0OWIzYjY5ZTMyIiwic3ViIjoidXJuOmFwcDplNjY2MzBlNzE0ZjA0OTBhYWVhMWYxNDliM2I2OWUzMiIsImF1ZCI6WyJ1cm46c2VydmljZTpmaWxlLmRvd25sb2FkIl0sImlhdCI6MTY5MjAyMTMxNSwiZXhwIjoxNjkyMDU3MzI1LCJqdGkiOiJjZTA1MzUxYy1jNDA4LTRlYmMtYWI0OC04MWM0NWJlZDlkM2IiLCJvYmoiOltbeyJwYXRoIjoiL21lZGlhL2Q0ZGRlMV9kZWUxOGM5YWRhMTc0YTgxOGNjZjc1YzUwZTcyYzczOX5tdjIuanBnIn1dXSwiZGlzIjp7ImZpbGVuYW1lIjoibmVvbS1BZGtKLUxncFRyRS11bnNwbGFzaC5qcGciLCJ0eXBlIjoiYXR0YWNobWVudCJ9fQ.HfZiuG7UFavOpgh2T0lVn56oZ9NpLoV3z9Gmnqptt8Y"
 *     }
 *   ]
 * }
 */
```

## Generate a file download URL (export from backend code)

```javascript
import { Permissions, webMethod } from 'wix-web-module';
import { files } from 'wix-media.v2';
import { elevate } from 'wix-auth';

// Sample fileId value: 'd4dde1_dee18c9ada174a818ccf75c50e72c739~mv2.jpg'

export const myGenerateFileDownloadUrlFunction = webMethod(Permissions.Anyone, async (fileId) => {
  try {
    const elevatedGenerateFileDonwloadUrl = elevate(files.generateFileDownloadUrl)
    const result = await elevatedGenerateFileDonwloadUrl(fileId);

    return result;
  } catch (error) {
    console.error(error);
    // Handle the error
  }
});

/* Promise resolves to:
 * {
 *   "downloadUrls": [
 *     {
 *       "assetKey": "src",
 *       "url": "https://download-files.wixmp.com/media/d4dde1_dee18c9ada174a818ccf75c50e72c739~mv2.jpg?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ1cm46YXBwOmU2NjYzMGU3MTRmMDQ5MGFhZWExZjE0OWIzYjY5ZTMyIiwic3ViIjoidXJuOmFwcDplNjY2MzBlNzE0ZjA0OTBhYWVhMWYxNDliM2I2OWUzMiIsImF1ZCI6WyJ1cm46c2VydmljZTpmaWxlLmRvd25sb2FkIl0sImlhdCI6MTY5MjAyMTMxNSwiZXhwIjoxNjkyMDU3MzI1LCJqdGkiOiJjZTA1MzUxYy1jNDA4LTRlYmMtYWI0OC04MWM0NWJlZDlkM2IiLCJvYmoiOltbeyJwYXRoIjoiL21lZGlhL2Q0ZGRlMV9kZWUxOGM5YWRhMTc0YTgxOGNjZjc1YzUwZTcyYzczOX5tdjIuanBnIn1dXSwiZGlzIjp7ImZpbGVuYW1lIjoibmVvbS1BZGtKLUxncFRyRS11bnNwbGFzaC5qcGciLCJ0eXBlIjoiYXR0YWNobWVudCJ9fQ.HfZiuG7UFavOpgh2T0lVn56oZ9NpLoV3z9Gmnqptt8Y"
 *     }
 *   ]
 * }
 */

```

## Generate a file download URL with options 

```javascript
import { Permissions, webMethod } from 'wix-web-module';
import { files } from 'wix-media.v2';
import { elevate } from 'wix-auth';

/* Sample fileId value: 'd4dde1_dee18c9ada174a818ccf75c50e72c739~mv2.jpg'
 * 
 * Sample options value: 
 * {
 *   assetKeys: ['320kbs.mp3'],
 *   downloadFileName: 'MyAudio.mp3',
 *   expirationInMinutes: '60',
 *   expirationRedirectUrl: 'www.example.com/store'
 * }
 */

export const myGenerateFileDownloadUrlFunction = webMethod(Permissions.Anyone, async (fileId, options) => {
  try {
    const elevatedGenerateFileDonwloadUrl = elevate(files.generateFileDownloadUrl)
    const result = await elevatedGenerateFileDonwloadUrl(fileId, options);

    const url = result.downloadUrls[0].url;
    return url;
  } catch (error) {
    console.error(error);
    // Handle the error
  }
});

/* Promise resolves to:
 * {
 *   "downloadUrls": [
 *     {
 *       "assetKey": "320kbs.mp3",
 *       "url": "https://download-files.wixmp.com/mp3/d4dde1_by0oqi7mrlyvhnodnhoywu6rr2egzujz-320.mp3?token=eyJhmHWBeilpRrgQGkzYAMcWQsyoISC4MSuG.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.qczf9WH3nz-tZ65D_RE8tzW-7o_cuq3b-oXX7QSYeAw"
 *     }
 *   ]
 * }
 */
```

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