# Method PickerBuilder.setAppId

Sets the Id of the application needing to access the user's files via the
[Drive API](https://developers.google.com/workspace/drive/api).

This is required for the `https://www.googleapis.com/auth/drive.file` scope.

## Examples

Basic usage

    const builder = new google.pickerPickerBuilder()
      .setAppId('1234567890');

## Signature

    setAppId(appId: string): PickerBuilder;

## Details

| Optional | No |
| Final | No |
| Protected | No |
| Static | No |
|---|---|

## Parameters

| Name | Type | Optional | Description |
|---|---|---|---|
| `appId` | `string` | No | The Cloud project number. |

## Returns

`https://developers.google.com/workspace/drive/picker/reference/picker.pickerbuilder`