Expanded class hierarchy of RelationInterface in CRM Core 8.3
- interface \Drupal\Core\Entity\FieldableEntityInterface; interface \Drupal\Core\Entity\TranslatableRevisionableInterface; interface \Drupal\Core\Entity\SynchronizableInterface
- interface \Drupal\Core\Entity\ContentEntityInterface extends \Drupal\Core\Entity\Traversable
- interface \Drupal\access_unpublished\AccessTokenInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\activity_creator\ActivityInterface
- interface \Drupal\aggregator\FeedInterface
- interface \Drupal\aggregator\ItemInterface
- interface \Drupal\alinks\Entity\KeywordInterface
- interface \Drupal\apigee_api_catalog\Entity\ApiDocInterface
- interface \Drupal\apigee_api_catalog\Entity\ApiDocInterface
- interface \Drupal\apigee_edge_teams\Entity\TeamInvitationInterface
- interface \Drupal\audit_log\Entity\AuditLogInterface
- interface \Drupal\avatars\AvatarPreviewInterface
- interface \Drupal\avatars\Entity\AvatarCacheInterface
- interface \Drupal\background_image\BackgroundImageInterface
- interface \Drupal\bat\TypeGroupInterface
- interface \Drupal\bat_booking\BookingInterface
- interface \Drupal\bat_event\EventInterface
- interface \Drupal\bat_event\StateInterface
- interface \Drupal\bat_event_series\EventSeriesInterface
- interface \Drupal\bat_unit\UnitInterface
- interface \Drupal\bat_unit\UnitTypeInterface
- interface \Drupal\bibcite_entity\Entity\ContributorInterface
- interface \Drupal\bibcite_entity\Entity\KeywordInterface
- interface \Drupal\bibcite_entity\Entity\ReferenceInterface
- interface \Drupal\block_content\BlockContentInterface
- interface \Drupal\brightcove\BrightcoveCMSEntityInterface
- interface \Drupal\brightcove\BrightcoveCMSEntityInterface
- interface \Drupal\brightcove\BrightcoveTextTrackInterface
- interface \Drupal\brightcove\BrightcoveTextTrackInterface
- interface \Drupal\build_hooks\Entity\DeploymentInterface
- interface \Drupal\business_rules\Entity\ScheduleInterface
- interface \Drupal\cacheflush_entity\CacheflushEntityInterface
- interface \Drupal\cms_content_sync\Entity\EntityStatusInterface
- interface \Drupal\colossal_menu\LinkInterface
- interface \Drupal\comment\CommentInterface
- interface \Drupal\commerce\Entity\CommerceContentEntityInterface
- interface \Drupal\commerce\PurchasableEntityInterface
- interface \Drupal\commerce_invoice\Entity\InvoiceInterface
- interface \Drupal\commerce_invoice\Entity\InvoiceItemInterface
- interface \Drupal\commerce_license\Entity\LicenseInterface
- interface \Drupal\commerce_log\Entity\LogInterface
- interface \Drupal\commerce_order\Entity\OrderInterface
- interface \Drupal\commerce_order\Entity\OrderItemInterface
- interface \Drupal\commerce_payment\Entity\PaymentInterface
- interface \Drupal\commerce_payment\Entity\PaymentMethodInterface
- interface \Drupal\commerce_pricelist\Entity\PriceListInterface
- interface \Drupal\commerce_pricelist\Entity\PriceListInterface
- interface \Drupal\commerce_pricelist\Entity\PriceListItemInterface
- interface \Drupal\commerce_pricelist\Entity\PriceListItemInterface
- interface \Drupal\commerce_product\Entity\ProductAttributeValueInterface
- interface \Drupal\commerce_product\Entity\ProductInterface
- interface \Drupal\commerce_product_bundle\Entity\BundleItemOrderItemInterface
- interface \Drupal\commerce_promotion\Entity\CouponInterface
- interface \Drupal\commerce_promotion\Entity\PromotionInterface
- interface \Drupal\commerce_recurring\Entity\SubscriptionInterface
- interface \Drupal\commerce_reports\Entity\OrderReportInterface
- interface \Drupal\commerce_shipping\Entity\ShipmentInterface
- interface \Drupal\commerce_shipping\Entity\ShippingMethodInterface
- interface \Drupal\commerce_stock_local\Entity\LocalStockLocationInterface
- interface \Drupal\commerce_store\Entity\StoreInterface
- interface \Drupal\commerce_wishlist\Entity\WishlistInterface
- interface \Drupal\commerce_wishlist\Entity\WishlistItemInterface
- interface \Drupal\config_entity_revisions\ConfigEntityRevisionsEntityInterface
- interface \Drupal\config_pages\ConfigPagesInterface
- interface \Drupal\config_pages\ConfigPagesInterface
- interface \Drupal\config_pages\ConfigPagesInterface
- interface \Drupal\contact\MessageInterface
- interface \Drupal\contact_emails\Entity\ContactEmailInterface
- interface \Drupal\content_entity_example\ContactInterface
- interface \Drupal\content_kanban\Entity\KanbanLogInterface
- interface \Drupal\content_moderation\Entity\ContentModerationStateInterface
- interface \Drupal\content_synchronizer\Entity\ExportEntityInterface
- interface \Drupal\content_synchronizer\Entity\ExportEntityInterface
- interface \Drupal\content_synchronizer\Entity\ImportEntityInterface
- interface \Drupal\content_synchronizer\Entity\ImportEntityInterface
- interface \Drupal\country_state_city\CityListInterface
- interface \Drupal\country_state_city\CountryListInterface
- interface \Drupal\country_state_city\StateListInterface
- interface \Drupal\courier\EmailInterface
- interface \Drupal\courier\MessageQueueItemInterface
- interface \Drupal\courier\TemplateCollectionInterface
- interface \Drupal\crm_core_activity\ActivityInterface
- interface \Drupal\crm_core_activity\ActivityInterface
- interface \Drupal\crm_core_activity\ActivityInterface
- interface \Drupal\crm_core_contact\ContactInterface
- interface \Drupal\crm_core_contact\ContactInterface
- interface \Drupal\crm_core_contact\ContactInterface
- interface \Drupal\crm_core_user_sync\RelationInterface
- interface \Drupal\crm_core_user_sync\RelationInterface
- interface \Drupal\crop\CropInterface
- interface \Drupal\crop\CropInterface
- interface \Drupal\data\TableInterface
- interface \Drupal\data_policy\Entity\DataPolicyInterface
- interface \Drupal\data_policy\Entity\UserConsentInterface
- interface \Drupal\easy_email\Entity\EasyEmailInterface
- interface \Drupal\eck\EckEntityInterface
- interface \Drupal\email_confirmer\EmailConfirmationInterface
- interface \Drupal\entityqueue\EntitySubqueueInterface
- interface \Drupal\entity_hierarchy_microsite\Entity\MicrositeInterface
- interface \Drupal\entity_hierarchy_microsite\Entity\MicrositeMenuItemOverrideInterface
- interface \Drupal\entity_legal\EntityLegalDocumentAcceptanceInterface
- interface \Drupal\entity_legal\EntityLegalDocumentVersionInterface
- interface \Drupal\entity_share_client\Entity\EntityImportStatusInterface
- interface \Drupal\event\Entity\EventInterface
- interface \Drupal\feeds\FeedInterface
- interface \Drupal\feeds\SubscriptionInterface
- interface \Drupal\field_collection\FieldCollectionItemInterface
- interface \Drupal\field_collection\FieldCollectionItemInterface
- interface \Drupal\field_encrypt\Entity\EncryptedFieldValueInterface
- interface \Drupal\filebrowser\Entity\FilebrowserMetadataEntityInterface
- interface \Drupal\file\FileInterface
- interface \Drupal\fillpdf\ExportableContentEntityInterface
- interface \Drupal\fillpdf\FillPdfFileContextInterface
- interface \Drupal\flag\FlaggingInterface
- interface \Drupal\flag_lists\Entity\FlagListItemInterface
- interface \Drupal\flipbook\FlipbookInterface
- interface \Drupal\flipping_book\Entity\FlippingBookInterface
- interface \Drupal\fontyourface\FontInterface
- interface \Drupal\formassembly\Entity\FormAssemblyEntityInterface
- interface \Drupal\forms_steps\WorkflowInterface
- interface \Drupal\gathercontent\Entity\GathercontentOperationInterface
- interface \Drupal\gathercontent\Entity\GathercontentOperationItemInterface
- interface \Drupal\gathercontent\Entity\OperationInterface
- interface \Drupal\gathercontent\Entity\OperationInterface
- interface \Drupal\gathercontent\Entity\OperationItemInterface
- interface \Drupal\gathercontent\Entity\OperationItemInterface
- interface \Drupal\gatsby_fastbuilds\Entity\GatsbyLogEntityInterface
- interface \Drupal\gauth\GauthInterface
- interface \Drupal\gdpr_consent\Entity\ConsentAgreementInterface
- interface \Drupal\gdpr_consent\Entity\ConsentAgreementInterface
- interface \Drupal\gdpr_tasks\Entity\TaskInterface
- interface \Drupal\gdpr_tasks\Entity\TaskInterface
- interface \Drupal\google_api_client\GoogleApiClientInterface
- interface \Drupal\google_api_client\GoogleApiClientInterface
- interface \Drupal\google_api_client\GoogleApiClientInterface
- interface \Drupal\group\Entity\GroupContentInterface
- interface \Drupal\group\Entity\GroupInterface
- interface \Drupal\group_content_menu\GroupContentMenuInterface
- interface \Drupal\homebox\Entity\HomeboxLayoutInterface
- interface \Drupal\httpbl\HostInterface
- interface \Drupal\image_hotspots\ImageHotspotInterface
- interface \Drupal\image_slider\SliderInterface
- interface \Drupal\ingredient\IngredientInterface
- interface \Drupal\instagram_feeds\Entity\InstagramAccountInterface
- interface \Drupal\invite\InviteInterface
- interface \Drupal\legal\AcceptedInterface
- interface \Drupal\legal\ConditionsInterface
- interface \Drupal\library\LibraryItemInterface
- interface \Drupal\library\LibraryTransactionInterface
- interface \Drupal\linkchecker\LinkCheckerLinkInterface
- interface \Drupal\log\LogInterface
- interface \Drupal\maestro\MaestroProcessInterface
- interface \Drupal\mailchimp_campaign\MailchimpCampaignInterface
- interface \Drupal\mailing_list\SubscriptionInterface
- interface \Drupal\mass_contact\Entity\MassContactMessageInterface
- interface \Drupal\media\MediaInterface
- interface \Drupal\media_entity\MediaInterface
- interface \Drupal\media_gallery\MediaGalleryInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\mentions\MentionsInterface
- interface \Drupal\menu_link_content\MenuLinkContentInterface
- interface \Drupal\message\MessageInterface
- interface \Drupal\modal_page\ModalPageInterface
- interface \Drupal\modal_page\ModalPageInterface
- interface \Drupal\multiversion\Entity\WorkspaceInterface
- interface \Drupal\node\NodeInterface
- interface \Drupal\oauth2_server\AuthorizationCodeInterface
- interface \Drupal\oauth2_server\TokenInterface
- interface \Drupal\og\OgMembershipInterface
- interface \Drupal\og_menu\OgMenuInstanceInterface
- interface \Drupal\openapi_test\Entity\OpenApiTestEntityInterface
- interface \Drupal\openapi_test\Entity\OpenApiTestEntityInterface
- interface \Drupal\opigno_calendar_event\CalendarEventInterface
- interface \Drupal\opigno_certificate\OpignoCertificateInterface
- interface \Drupal\opigno_ilt\ILTInterface
- interface \Drupal\opigno_ilt\ILTResultInterface
- interface \Drupal\opigno_learning_path\LatestActivityInterface
- interface \Drupal\opigno_learning_path\LPStatusInterface
- interface \Drupal\opigno_module\Entity\OpignoActivityInterface
- interface \Drupal\opigno_module\Entity\OpignoModuleInterface
- interface \Drupal\opigno_module\Entity\UserModuleStatusInterface
- interface \Drupal\opigno_moxtra\MeetingInterface
- interface \Drupal\opigno_moxtra\MeetingResultInterface
- interface \Drupal\opigno_moxtra\WorkspaceInterface
- interface \Drupal\opigno_notification\OpignoNotificationInterface
- interface \Drupal\paragraphs\ParagraphInterface
- interface \Drupal\paragraphs_frontend_ui\Entity\ParagraphSetInterface
- interface \Drupal\paragraphs_library\LibraryItemInterface
- interface \Drupal\path_alias\PathAliasInterface
- interface \Drupal\path_file\Entity\PathFileEntityInterface
- interface \Drupal\payment\Entity\PaymentInterface
- interface \Drupal\pet\Entity\PetInterface
- interface \Drupal\pet\PetInterface
- interface \Drupal\pet\PetInterface
- interface \Drupal\photos\PhotosImageInterface
- interface \Drupal\poll\PollChoiceInterface
- interface \Drupal\poll\PollInterface
- interface \Drupal\popup_onload\Entity\PopupOnLoadInterface
- interface \Drupal\preview_link\Entity\PreviewLinkInterface
- interface \Drupal\private_message\Entity\PrivateMessageInterface
- interface \Drupal\private_message\Entity\PrivateMessageInterface
- interface \Drupal\private_message\Entity\PrivateMessageThreadAccessTimeInterface
- interface \Drupal\private_message\Entity\PrivateMessageThreadDeleteTimeInterface
- interface \Drupal\private_message\Entity\PrivateMessageThreadInterface
- interface \Drupal\private_message\Entity\PrivateMessageThreadInterface
- interface \Drupal\profile\Entity\ProfileInterface
- interface \Drupal\profile\ProfileInterface
- interface \Drupal\push_notifications\PushNotificationInterface
- interface \Drupal\push_notifications\PushNotificationsTokenInterface
- interface \Drupal\recently_read\Entity\RecentlyReadInterface
- interface \Drupal\redhen_connection\ConnectionInterface
- interface \Drupal\redhen_contact\ContactInterface
- interface \Drupal\redhen_org\OrgInterface
- interface \Drupal\registration\RegistrationInterface
- interface \Drupal\relation\RelationInterface
- interface \Drupal\relation\RelationInterface
- interface \Drupal\replication\Entity\ReplicationLogInterface
- interface \Drupal\replication\Entity\ReplicationLogInterface
- interface \Drupal\rng\Entity\GroupInterface
- interface \Drupal\rng\Entity\RegistrantInterface
- interface \Drupal\rng\Entity\RegistrationInterface
- interface \Drupal\rng\Entity\RuleComponentInterface
- interface \Drupal\rng\Entity\RuleInterface
- interface \Drupal\rng\Entity\RuleScheduleInterface
- interface \Drupal\rng\GroupInterface
- interface \Drupal\rng\RegistrantInterface
- interface \Drupal\rng\RegistrationInterface
- interface \Drupal\rng\RuleComponentInterface
- interface \Drupal\rng\RuleInterface
- interface \Drupal\rng\RuleScheduleInterface
- interface \Drupal\rng_contact\Entity\RngContactInterface
- interface \Drupal\role_watchdog\Entity\RoleWatchdogInterface
- interface \Drupal\salesforce_mapping\Entity\MappedObjectInterface
- interface \Drupal\salesforce_mapping\Entity\MappedObjectInterface
- interface \Drupal\scheduled_transitions\Entity\ScheduledTransitionInterface
- interface \Drupal\scheduled_updates\ScheduledUpdateInterface extends \Drupal\scheduled_updates\IteratorAggregate
- interface \Drupal\search_api\Task\TaskInterface
- interface \Drupal\search_api_saved_searches\SavedSearchInterface
- interface \Drupal\search_api_synonym\SynonymInterface
- interface \Drupal\shortcut\ShortcutInterface
- interface \Drupal\simplemeta\Entity\SimplemetaEntityInterface
- interface \Drupal\simplemeta\Entity\SimplemetaEntityInterface
- interface \Drupal\simplenews\SubscriberInterface
- interface \Drupal\simplenews\SubscriberInterface
- interface \Drupal\simple_oauth\AccessTokenInterface
- interface \Drupal\simple_oauth\Entity\Oauth2ClientInterface
- interface \Drupal\simple_oauth\Entity\Oauth2TokenInterface
- interface \Drupal\simple_oauth\Entity\Oauth2TokenInterface
- interface \Drupal\simple_oauth\Entity\Oauth2TokenInterface
- interface \Drupal\sitewide_alert\Entity\SitewideAlertInterface
- interface \Drupal\site_settings\SiteSettingEntityInterface
- interface \Drupal\sms\Entity\PhoneNumberVerificationInterface
- interface \Drupal\sms\Entity\SmsDeliveryReportInterface
- interface \Drupal\sms\Entity\SmsMessageInterface
- interface \Drupal\sms\Entity\SmsMessageResultInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_event\EventEnrollmentInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_font\Entity\FontInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_post\Entity\PostInterface
- interface \Drupal\social_queue_storage\Entity\QueueStorageEntityInterface
- interface \Drupal\social_queue_storage\Entity\QueueStorageEntityInterface
- interface \Drupal\splashify\Entity\SplashifyEntityInterface
- interface \Drupal\splashify\Entity\SplashifyGroupEntityInterface
- interface \Drupal\statusmessage\StatusInterface
- interface \Drupal\styled_google_map_demo\Entity\RealEstateInterface
- interface \Drupal\support_ticket\SupportTicketInterface
- interface \Drupal\taxonomy\TermInterface
- interface \Drupal\Tests\radioactivity\Unit\PublishedContentEntityInterface
- interface \Drupal\tmgmt\JobInterface
- interface \Drupal\tmgmt\JobItemInterface
- interface \Drupal\tmgmt\MessageInterface
- interface \Drupal\tmgmt\RemoteMappingInterface
- interface \Drupal\tmgmt_local\LocalTaskInterface
- interface \Drupal\tmgmt_local\LocalTaskItemInterface
- interface \Drupal\token_custom\TokenCustomInterface
- interface \Drupal\transaction\TransactionInterface
- interface \Drupal\tweet_feed\Entity\TweetEntityInterface
- interface \Drupal\tweet_feed\Entity\TwitterProfileEntityInterface
- interface \Drupal\twitter_profile_widget\TwitterWidgetInterface
- interface \Drupal\uc_cart\CartItemInterface
- interface \Drupal\uc_order\OrderInterface
- interface \Drupal\uc_order\OrderProductInterface
- interface \Drupal\uc_payment\PaymentReceiptInterface
- interface \Drupal\uc_wishlist\Entity\UcWishlistInterface
- interface \Drupal\update_helper_checklist\Entity\UpdateInterface
- interface \Drupal\user\UserInterface
- interface \Drupal\user_badges\BadgeInterface
- interface \Drupal\video_transcode\TranscodeJobInterface
- interface \Drupal\votingapi\VoteInterface
- interface \Drupal\votingapi\VoteResultInterface
- interface \Drupal\weather\Entity\WeatherDisplayInterface
- interface \Drupal\weather\Entity\WeatherDisplayPlaceInterface
- interface \Drupal\weather\Entity\WeatherForecastInformationInterface
- interface \Drupal\weather\Entity\WeatherForecastInterface
- interface \Drupal\weather\Entity\WeatherPlaceInterface
- interface \Drupal\webform\WebformSubmissionInterface
- interface \Drupal\webhook\WebhookInterface
- interface \Drupal\workbench_access\Entity\SectionAssociationInterface
- interface \Drupal\workspaces\WorkspaceInterface
- interface \Drupal\workspace\WorkspaceInterface
- interface \Drupal\workspace\WorkspacePointerInterface
- interface \Drupal\yamlform\YamlFormSubmissionInterface
- interface \Drupal\Core\Entity\ContentEntityInterface extends \Drupal\Core\Entity\Traversable