Instance Property


The primary language for a custom keyboard.


@property(nonatomic, copy) NSString *primaryLanguage;


A BCP 47 language identifier, such as en-US. If specified, this value supersedes the PrimaryLanguage key in a custom keyboard’s Info.plist file.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software