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In the dialog, the name is mandatory, and you can write a description.
Edit variant
The same dialog is opened, and enables you to change the name and the description
Delete variant
When deleting a variant, after confirmation, it is soft-deleted, and the associated requirement are not accessible.
You will need to select another variant, on the Confluence page, with the Byline dialog, or with the Assign pages button.
Assign pages
The button Assign pages is described here, it enables you to assign a variant to some pages (and their children).