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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.
It should be enough, and this approach would be expected to pass. I think you still did something wrong.
Sharing your code or asking at solving help channel could help.