eZ\Publish\Core\REST\Server\Output\ValueObjectVisitor\CreatedFieldDefinition::visit PHP Method

    public function visit(Visitor $visitor, Generator $generator, $data)
    {
        $restFieldDefinition = $data->fieldDefinition;
        parent::visit($visitor, $generator, $restFieldDefinition);
        $draftUriPart = $this->getUrlTypeSuffix($restFieldDefinition->contentType->status);
        $visitor->setHeader('Location', $this->router->generate("ezpublish_rest_loadContentType{$draftUriPart}FieldDefinition", array('contentTypeId' => $restFieldDefinition->contentType->id, 'fieldDefinitionId' => $restFieldDefinition->fieldDefinition->id)));
        $visitor->setStatus(201);
    }