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  • Notifications
  • Registering Notifications
  • List of Notifications
  • Content, Media, and Member notifications
  • Other notifications
  • Tree notifications
  • Editor Model Notifications
  • Creating and publishing your own custom notifications
  • Samples
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  1. Reference

Using Notifications

Get started with Notifications.

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Last updated 1 year ago

Umbraco uses Notifications (similar to the Observer pattern) to allow you to hook into the workflow process for the backoffice. For example, notifications allow you to execute some code every time a page is published.

Notifications

All notifications reside in the Umbraco.Cms.Core.Notifications namespace and are postfixed with Notification.

Available notifications typically exist in pairs, with "before" and "after" notifications. For example, the ContentService class has the concept of publishing and published notifications. So, there is both a ContentPublishingNotification and a ContentPublishedNotification notification.

The notification to use depends on what you want to achieve. If you want to be able to cancel the action, you would use the CancelOperation method on the "before" notification. See the sample in . If you want to execute some code after the publishing has succeeded, then you would use the "after" notification.

Registering Notifications

Check the article to learn more about notification handlers lifetime, async notification handler and how to register the notification handlers.

List of Notifications

Below you can find a list of most used object notifications.

You can find a list of all supported notifications in the .

Content, Media, and Member notifications

ContentService Notifications

The ContentService class is the most commonly used type when extending Umbraco using notifications. ContentService implements IContentService. It provides access to operations involving IContent.

Below you can find a list of the most common ContentService object notifications.

MediaServiceNotifications

Below you can find a list of the most common MediaService object notifications.

MemberService Notifications

The MemberService implements IMemberService and provides access to operations involving IMember.

Below you can find a list of the most common MemberService object notifications.

Other notifications

ContentTypeService Notifications

The ContentTypeService class implements IContentTypeService. It provides access to operations involving IContentType.

Below you can find a list of the most common ContentTypeService object notifications.

MediaTypeService Notifications - object list

The MediaTypeService class implements IMediaTypeService. It provides access to operations involving IMediaType.

Below you can find a list of the most common MediaTypeService object notifications.

MemberTypeService Notifications

The MemberTypeService class implements IMemberTypeService. It provides access to operations involving IMemberType

Below you can find a list of the most common MemberTypeService object notifications.

DataTypeService Notifications

The DataTypeService class implements IDataTypeService. It provides access to operations involving IDataType.

Below you can find a list of the most common DataTypeService object notifications.

FileService Notifications

The FileService class implements IFileService. It provides access to operations involving IFile objects like scripts, stylesheets and templates.

Below you can find a list of the most common FileService object notifications.

LocalizationService Notifications

The LocalizationService class implements ILocalizationService. It provides access to operations involving Language and DictionaryItem.

Below you can find a list of the most common LocalizationService object notifications.

CacheRefresher Notifications

Below you can find a list of the most common CacheRefresher object notifications.

RelationService Notifications

Below you can find a list of the most common RelationService object notifications.

The RelationService provides access to operations involving IRelation and IRelationType, and publishes the following relation notifications:

UmbracoApplicationLifetime Notifications

Represents an Umbraco application lifetime (starting, started, stopping, stopped) notification.

Below you can find a list of the most common UmbracoApplicationLifetime object notifications.

Tree notifications

Editor Model Notifications

Useful for manipulating the model before it is sent to an editor in the backoffice. It could be used to set a default value of a property on a new document.

Creating and publishing your own custom notifications

Samples

Below you can find some articles with some examples using Notifications.

See for a list of the tree notifications.

See for a list of the EditorModel events.

Umbraco uses notifications to allow people to hook into different workflow processes. This notification pattern is extensible, allowing you to create and publish custom notifications, and other people to observe and hook into your custom processes. This approach can be useful when creating Umbraco packages. For more information on how you create and publish your own notifications, see the article.

ContentService Notifications
Notification Handler
API Docs
ContentSavingNotification
ContentSavedNotification
ContentPublishingNotification
ContentPublishedNotification
ContentUnpublishingNotification
ContentUnpublishedNotification
ContentCopyingNotification
ContentCopiedNotification
ContentMovingNotification
ContentMovedNotification
ContentMovingToRecycleBinNotification
ContentMovedToRecycleBinNotification
ContentDeletingNotification
ContentDeletedNotification
ContentDeletingVersionsNotification
ContentDeletedVersionsNotification
ContentRollingBackNotification
ContentRolledBackNotification
ContentSendingToPublishNotification
ContentSentToPublishNotification
ContentEmptyingRecycleBinNotification
ContentEmptiedRecycleBinNotification
ContentSavedBlueprintNotification
ContentDeletedBlueprintNotification
MediaSavingNotification
MediaSavedNotification
MediaMovingNotification
MediaMovedNotification
MediaMovingToRecycleBinNotification
MediaMovedToRecycleBinNotification
MediaDeletingNotification
MediaDeletedNotification
MediaDeletingVersionsNotification
MediaDeletedVersionsNotification
MemberSavingNotification
MemberSavedNotification
MemberDeletingNotification
MemberDeletedNotification
AssignedMemberRolesNotification
RemovedMemberRolesNotification
ContentTypeSavingNotification
ContentTypeSavedNotification
ContentTypeDeletingNotification
ContentTypeDeletedNotification
ContentTypeMovingNotification
ContentTypeMovedNotification
ContentTypeChangedNotification
MediaTypeSavingNotification
MediaTypeSavedNotification
MediaTypeDeletingNotification
MediaTypeDeletedNotification
MediaTypeMovingNotification
MediaTypeMovedNotification
MediaTypeChangedNotification
MemberTypeSavingNotification
MemberTypeSavedNotification
MemberTypeDeletingNotification
MemberTypeDeletedNotification
MemberTypeMovingNotification
MemberTypeMovedNotification
MemberTypeChangedNotification
DataTypeSavingNotification
DataTypeSavedNotification
DataTypeDeletingNotification
DataTypeDeletedNotification
DataTypeMovingNotification
DataTypeMovedNotification
TemplateSavingNotification
TemplateSavedNotification
ScriptSavingNotification
ScriptSavedNotification
StylesheetSavingNotification
StylesheetSavedNotification
TemplateDeletingNotification
TemplateDeletedNotification
ScriptDeletingNotification
ScriptDeletedNotification
StylesheetDeletingNotification
StylesheetDeletedNotification
LanguageSavingNotification
LanguageSavedNotification
DictionaryItemSavingNotification
DictionaryItemSavedNotification
LanguageDeletingNotification
LanguageDeletedNotification
DictionaryItemDeletingNotification
DictionaryItemDeletedNotification
ContentCacheRefresherNotification
MediaCacheRefresherNotification
MemberCacheRefresherNotification
UserCacheRefresherNotification
RelationSavingNotification
RelationSavedNotification
RelationDeletingNotification
RelationDeletedNotification
RelationTypeSavingNotification
RelationTypeSavedNotification
RelationTypeDeletingNotification
RelationTypeDeletedNotification
UmbracoApplicationStartingNotification
UmbracoApplicationStartedNotification
UmbracoApplicationStoppingNotification
UmbracoApplicationStoppedNotification
Tree Notifications
EditorModel Notifications
creating and publishing notifications
CacheRefresher Notification
ContentService Notifications
Determining if an entity is new
Hot vs. cold restarts
MediaService Notifications
MemberService Notifications
Sending Allowed Children Notification
Umbraco Application Lifetime Notifications