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Having trouble initializing nsuseractivity

hey everyone,

I was recently trying to follow through with one of apple’s develop in swift books.

One of the exercises is about state restoration using ns user activity .

after finishing the entire exercise none of my additional code worked

I think it could be because of not entering the correct value when initializing
the user activity.

this is my initialization of the user activity

 var userActivity = NSUserActivity(activityType: "com.example.Restaurant.order")

should the string I pass into the initializer be something specific or it could just be a random string?

hello, have you tried looking at this tutorial? ]