Asaf Moshe
Currently, using HubSpot's "Create an Email" module, it is not possible to add the recipient's data.
HubSpot's API allows it through the hs_email_headers field.
See here:
https://developers.hubspot.com/docs/api-reference/crm-emails-v3/guide#:~:text=a%20semi%2Dcolon.-,hs_email_headers,-The%20email%E2%80%99s%20headers
It would be great if it becomes available in the module.
Thanks.