| Name | Type | Description | Notes |
|---|---|---|---|
| Option<String> | Email address | [optional] | |
| password | Option<String> | Password (minimum 8 characters) | [optional] |
| firstname | Option<String> | First name (optional) | [optional] |
| lastname | Option<String> | Last name (optional) | [optional] |
| provider | Option<String> | Optional. Set to 'cruk' for CRUK registration only; otherwise ignored (service). | [optional] |