What is a pinned attribute?
A Pinned attribute shows up as field available for your team to view as a column against a contact in the Audience table.
Create a pinned attribute?
To pin an attribute, start by going to Settings > Custom Attributes. Here you will see a list of all the Custom attributes of the workspace. To make a column available for the users, click on the “Pin” icon next to the attribute. Now the attribute is available for the team.