code: def send_confirmation_email(self, confirmation_id, email_dict):
          
          return self._create_post_request(
              resource=CONFIRMATIONS,
              billomat_id=confirmation_id,
              send_data=email_dict,
              command=EMAIL,
          )
docs: Sends an confirmation by email
          If you want to send your email to more than one persons do:
          'recipients': {'to': ['bykof@me.com', 'mbykovski@seibert-media.net']}}
  
          :param confirmation_id: the confirmation id
          :param email_dict: the email dict
          :return dict