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ABAddressBookRegisterExternalChangeCallback(_:_:_:)

Registers a callback to receive notifications when the Address Book database is modified.

Declaration

func ABAddressBookRegisterExternalChangeCallback(_ addressBook: ABAddressBook!, _ callback: ABExternalChangeCallback!, _ context: UnsafeMutableRawPointer!)

Parameters

  • addressBook:

    The address book used to interact with the Address Book database.

  • callback:

    The function to invoke when the Address Book database changes.

  • context:

    The object to pass to the callback function.

See Also

Deprecated