public function addToContentType($fieldName, ContentType $contentType)
    {
        try {
            $contentTypeDraft = $this->contentTypeService->loadContentTypeDraft($contentType->id);
        } catch (NotFoundException $e) {
            $contentTypeDraft = $this->contentTypeService->createContentTypeDraft($contentType);
        }

        $typeUpdate = $this->contentTypeService->newContentTypeUpdateStruct();
        $typeUpdate->modificationDate = new DateTime();

        $knowLanguage = array_keys($contentType->getDescriptions());

        if (!in_array($contentType->mainLanguageCode, $knowLanguage)) {
            $knowLanguage[] = $contentType->mainLanguageCode;
        }

        $fieldCreateStruct = $this->contentTypeService->newFieldDefinitionCreateStruct(
            $fieldName,
            'novaseometas'
        );

        $fieldCreateStruct->names = array_fill_keys($knowLanguage, $this->metaFieldName);
        $fieldCreateStruct->descriptions = array_fill_keys($knowLanguage, $this->metaFieldDescription);
        $fieldCreateStruct->fieldGroup = $this->metaFieldGroup;
        $fieldCreateStruct->position = 100;
        $fieldCreateStruct->isTranslatable = true;
        $fieldCreateStruct->isRequired = false;
        $fieldCreateStruct->isSearchable = false;
        $fieldCreateStruct->isInfoCollector = false;

        try {
            $this->contentTypeService->updateContentTypeDraft($contentTypeDraft, $typeUpdate);

            if ($contentTypeDraft->getFieldDefinition($fieldName) == null) {
                $this->contentTypeService->addFieldDefinition($contentTypeDraft, $fieldCreateStruct);
            }

            $this->contentTypeService->publishContentTypeDraft($contentTypeDraft);

            return true;
        } catch (Exception $e) {
            $this->errorMessage = $e->getMessage();

            return false;
        }
    }