To receive money into your account through Zelle, you first need to make sure you have your debit card linked to your Zelle account. You can see our guide to link your Dora card in Zelle:
Link your Dora debit card to Zelle in 12 Easy Steps!
After you've linked your Dora card in Zelle, you the individual you are receiving funds from your phone number and they enter that number into the Zelle app and the amount they want to send you.
You can also Request money by pressing the "Request" button and entering the person's phone number.