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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.
They are defined already as part of the kata, just not in the part of the code that you can edit.
How can we call functions> that not defined? Can someone explain?))