code: def get_enterprise_customer_user(user_id, enterprise_uuid):
      
      EnterpriseCustomerUser = apps.get_model('enterprise', 'EnterpriseCustomerUser')  # pylint: disable=invalid-name
      try:
          return EnterpriseCustomerUser.objects.get(  # pylint: disable=no-member
              enterprise_customer__uuid=enterprise_uuid,
              user_id=user_id
          )
      except EnterpriseCustomerUser.DoesNotExist:
          return None
docs: Return the object for EnterpriseCustomerUser.
  
      Arguments:
          user_id (str): user identifier
          enterprise_uuid (UUID): Universally unique identifier for the enterprise customer.
  
      Returns:
          (EnterpriseCustomerUser): enterprise customer user record