| Name | Description | Type | Additional information | 
|---|---|---|---|
| EmailAddress | The email address of the address book entry to be modified. | string | None. | 
| FirstName | The first name of the address book entry to be modified. | string | None. | 
| LastName | The last name of the address book entry to be modified. | string | None. | 
| MobilePhone | The mobile phone of the address book entry to be modified. | string | None. | 
| Password | The password of the address book entry to be modified. | string | None. | 
| PersonNumber | The ID of the address book entry. | integer | None. |