$new_organization = new Organization(
      'test_organization',	// alias
      'test_organization',	// id
      'organization_1',	// parent organization
      'test_organization');	// tenantName

try {
   $c->organizationService()->createOrganization($new_organization);
} catch (Exception $e) {
   printf('Creating organization failed: %s', $e->getMessage());
}