```php
    /**
     * Check whether the user shall be redirected to the registration screen if the login process fails.
     *
     * Possible reasons for the login process to fail:
     * - User does not exist yet.
     * - User provides wrong credentials.
     *
     * Parameters passed in the $arg array:
     * ------------------------------------
     * string[] 'authenticationMethod' An array identifying the selected authentication method by 'modname' and 'method'.
     * string[] 'authenticationInfo'   An array containing the authentication information supplied by the user; for this module, a 'supplied_id'.
     *
     * @param array $args All parameters passed to this function.
     *
     * @return bool True if the user shall be redirected to the registration screen, false otherwise.
     */
```
like this?