In order to load documents from a private Azure Blob Storage bucket, you will need to provide the details necessary to authenticate. This requires the following configuration options:

| Property                        | Env Variable                    | Description                             | Required  |
|---------------------------------|---------------------------------|-----------------------------------------|-----------|
| google.application.credentials  | GOOGLE_APPLICATION_CREDENTIALS  | The path to the credentials file to use | Yes       |

For more details on Google Cloud Storage authentication, please refer to [documentation](https://cloud.google.com/storage/docs/authentication).