Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
You should add the condition in
{}
of the f stringSearch online the documentation of the method you are trying to use it, you should understand why it fails. If you don't, read carefully the description again.