The CallbackAuthentication object contains Username, Password, and CertificateName parameters.
| Parameter | Type | Description |
|---|---|---|
| Username | string | A string of data containing the username. This parameter is optional; however, if providing a username, a password must be provided. |
| Password | string | A string of data containing the password. This parameter is optional. |
| CertificateName | string | A string of data containing the name of the Document Generation Services certificate. This parameter is optional; if not supplied, no certificate will be sent with the callback request. |