Click on the "config" button of the addon on Jira's page "manage add-ons" as system admin or click on "Skills and Profiles" within section "Fields" of issue administrationthe left-side menu of "Projects settings" as project admin, alternatively.
If you want to add a new profile, you have to determine all related skills, their weight relative to each other (sum of all weights = 100%) as well as their reference value, describing the capabilities of this profile.
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