Optional. The address book database that the person record is added to.
When unspecified, this view controller sets the value of this property by creating an
The person record is only added to the address book database if
true and the user taps the “Add to Existing Contact” or “Create New Contact” button.
Configuring the Interface Details
var allowsActions: Bool
Specifies whether buttons appear to let the user perform actions such as sharing the contact, initiating a FaceTime call, or sending a text message.
var allowsAddingToAddressBook: Bool
Specifies whether the user can add the properties displayed by the unknown-person view controller to the address book database, either as a new contact or by adding them to an existing contact.