I can't figure out how to add attributs in template email with sendinblue and springboot.
I tried this:
Contact sendEmailContact = new Contact(user.getFirstname(), user.getLastname());
sendEmailContact.setSUBSCRIBENAME(user.getFirstname() + " " + user.getLastname());
emailController.sendEmail(api.getId(),api.getRegisterUserTemplateId(), user.getEmail(), sendEmailContact);
but SUBSCRIBENAME is not a field in my contact in sendinblue?
How to do so ?