Hey Amanda!

It’s pretty simple - just use the appropriate selector (there are many to chose from).

They are used to group contacts based on common characteristics such as location, dynamic segments, and consent status. You can apply advanced filtering options wherever there is a contact selection option, including the Customer Segmentation Center

https://support.salesmanago.com/selectors-for-addressing-e-mails/

Let me know how it worked! 😀