count in
US /kaʊnt ɪn/
UK /kaʊnt ɪn/

1.
incluir, contar con
to include someone or something in a group or activity
:
•
Don't forget to count in Sarah for the team meeting.
No olvides incluir a Sarah para la reunión del equipo.
•
If you're going to the concert, you can count me in!
Si vas al concierto, ¡puedes contarme!