Deletes all searchable items from the index.
- iOS 9.0+
- macOS 10.13+
- Core Spotlight
The block that’s called when the request has been journaled by the index (“journaled” means that the index makes a note that it has to perform this operation). Note that the request may not have completed.
The block receives the following parameter:
If an error occurred, this parameter holds an error object that explains the error. Otherwise, the value of this parameter is