customizationIdentifier
A globally unique string that makes the Touch Bar eligible for user customization.
Declaration
var customizationIdentifier: NSTouchBar.CustomizationIdentifier? { get set }Discussion
To make an NSTouchBar object eligible for user customization, assign it a globally unique customizationIdentifier identifier. For the identifier string, use reverse-DNS style, such as “com.company-name.app-name.alphanumeric-ID”.
The system archives this property.