Modifying this control will update this page automatically

Enter a name for the Smart Mailbox.
For example, if you create a Smart Mailbox to organize emails from your soccer group that include an attachment, you could call it Soccer schedules.
Specify the criteria.

Change, add, or remove conditions, or change other criteria.
Click OK.
Rename Smart Mailboxes
In the Mail app
Use rules to manage emails you receive in Mail on Mac