Add skills in the web app under Feedback, then Skills, then Add a Skill. Pick one of Matter's recommended skills or create a custom skill with a name, description, and badge color.
Who can use this: Every member on the Pro and Enterprise plans, or on any plan during the free trial, once an admin turns on performance feedback.
For an overview of the whole feature, read the Performance Feedback Guide.
How to Add Default Skills on Matter
Open the Web App.
Go to Feedback, then select Skills.
On the right-hand side, select Add a Skill.
Select Recommended Skills and hit Add next to the desired skill.
How to Add Custom Skills on Matter
Open the Web App.
Go to Feedback, then select Skills.
On the right-hand side, select Add a Skill.
Select Create a Custom Skill.
Type in the Skill Name, Description (optional), Skill Badge Color, and hit Create.

