Upload file to Customer Card Attachment Field

Hi Eitan,

I have been watching your videos on saving contacts using velo, custom contact forms, etc. - thank you!!

I am looking for a way, using a form or through Velo, to upload a file to the "attachments" field on a customer contact card. I understand how to upload files to the media manager using velo or forms but I am specifically trying to upload a file to the "attachments" field on the customer card.

I haven't had any luck finding an api that handles the attachment. Do you have any suggestions for how to go about this? Do you happen to know where those attachments are stored?

I would greatly appreciate any suggestions!

Thanks again for all your great videos!