Returns a new custom attribute key with the specified name.
- iOS 9.0+
- macOS 10.13+
- Mac Catalyst 13.0+
- Core Spotlight
The name of the custom attribute for use as a key in a
CSSearchable. The key name must be a string that contains only ASCII characters and no punctuation other than the underscore (that is “_”). The prefix
Item Attribute Set
A new custom attribute key.
To create custom attribute key names, it’s recommended that you use a reverse DNS format that includes your company name and does not include the period character (“.”). For example, a key name of the form
com works well.