Adds the contents of the specified dictionary to the user info dictionary.
- iOS 8.0+
- macOS 10.10+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
The dictionary containing entries to be added.
Use this method to add the keys from
other into the dictionary in the
user property. If the same key is in both dictionaries, the value of the key is set to the value in the
It is recommended that you keep the
user dictionary as small as possible. The larger the dictionary, the longer it takes to deliver that payload and resume the activity.