Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| NONE | 0 | Default Option | 
| EMAIL_ADDRESS | 1 | The email address of the contact. | 
| FIRST_NAME | 2 | The first name of the contact. | 
| LAST_NAME | 3 | The last name of the contact. | 
| MOBILE_PHONE | 4 | The mobile phone of the contact. |