Retrieves information about a single user based on the ID of the corresponding user record.
- iOS 8.0–10.0Deprecated
- macOS 10.10–10.12Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- tvOS 9.0–10.0Deprecated
- watchOS 3.0–3.0Deprecated
The ID of the user record.
The block to execute with the results. Your block must be capable of executing on any thread of the app. This block returns no value and takes the following parameters:
An object containing information about the user or
nilif the user is not found.
An error object if a problem occurs or
nilif the ID is retrieved successfully.
Use this method to retrieve information about a user for which you already have a user record ID. The user you are searching for must meet the following criteria:
The user must have run the app.
The user must have granted the
CKApplicationpermission for this container.
Permission User Discoverability
This method searches for the user asynchronously and with a low priority. If you want the task to execute with a higher priority, create a
CKDiscover object and configure the desired priority.