code: def enterprise_customer_uuid(self):
          
          try:
              enterprise_user = EnterpriseCustomerUser.objects.get(user_id=self.user.id)
          except ObjectDoesNotExist:
              LOGGER.warning(
                  'User {} has a {} assignment but is not linked to an enterprise!'.format(
                      self.__class__,
                      self.user.id
                  ))
              return None
          except MultipleObjectsReturned:
              LOGGER.warning(
                  'User {} is linked to multiple enterprises, which is not yet supported!'.format(self.user.id)
              )
              return None
  
          return str(enterprise_user.enterprise_customer.uuid)
docs: Get the enterprise customer uuid linked to the user.