Umbraco Preview App Provider

What is it?

Preview App Providers add custom items to the preview window menu in Umbraco. When content editors preview their content, these apps appear in the preview menu allowing additional functionality like device simulation, accessibility checks, SEO analysis, or other preview-related tools.

Documentation

Always fetch the latest docs before implementing:

• Foundation: https://docs.umbraco.com/umbraco-cms/extend-your-project/backoffice-extensions/foundation
• Extension Registry: https://docs.umbraco.com/umbraco-cms/extend-your-project/backoffice-extensions/extending-overview/extension-registry
• Umbraco Element: https://docs.umbraco.com/umbraco-cms/extend-your-project/backoffice-extensions/foundation/umbraco-element

Related Foundation Skills

• Umbraco Element: Base class for creating UI components

  • Reference skill: umbraco-umbraco-element

• Context API: When accessing preview state

  • Reference skill: umbraco-context-api