<aside> 💡 Please note that prior to the Doneit 2.5 update, you can only share a category in the iOS and iPadOS version of the app. After the Doneit 2.5 update, you can also share a category in the macOS version of the app.
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Category sharing is a Doneit Premium feature, please make sure that you have purchased the Doneit Premium first, you will then have multiple ways to share a category with another iCloud user that you can find below:
All of these options will lead to the same sharing screen where you will be asked to invite the participants to the category by entering their iCloud details, such as their email addresses.