By mail, and the ballot was received. Allegedly it has been counted too. That doesn’t prove it actually will be counted, nor counted correctly, but then the same is true of an in-person ballot, alas.
If you registered for an absentee ballot, or have sent one in, you can check the status of you ballot at Checkmyballot.miami, which incidentally is the best use of the .miami TLD I’ve seen yet.