A UUID is a universally unique identifier, which means if you generate a UUID right now using
UUID it's guaranteed to be unique across all devices in the world. This means it's a great way to generate a unique identifier for users, for files, or anything else you need to reference individually – guaranteed.
Here's how to create a UUID as a string:
let uuid = UUID().uuidString
Available from iOS 6.0
Did this solution work for you? Please pass it on!
Other people are reading…
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.