MCreator issue tracker has been migrated to GitHub.
Existing tickets have been migrated to GitHub. Please open new tickets on the GitHub tracker instead. If you do not have a GitHub account, all feature requests and bug reports from forums are still considered and checked by the maintainers.
Create a new workspace, click on Generator version selector and select Data Pack 1.15.x version. Make your datapack and export it the same way as you would a normal mod made in MCreator.