# Backoffice UI API Documentation

A library of API Reference documentation is auto-generated from the comments within the Umbraco Source Code.

{% hint style="info" %}
A new backoffice for Umbraco CMS is currently being worked upon. It is expected to be released with Umbraco version 14 in May 2024.

We have gathered all information and resources about the project in one place, giving you a full overview of what we're working on. You will also be able to find information about how to get involved in the project.

You can find it all on [docs.umbraco.com/umbraco-backoffice](https://docs.umbraco.com/umbraco-backoffice).
{% endhint %}

## [Backoffice UI](https://apidocs.umbraco.com/v13/ui)

Angular, JavaScript, CSS & Less UI API references for building Umbraco backoffice components. V10 is using minified versions of the following files:

* The umbraco.directives
* The umbraco.services
* The umbraco.resources

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## [UI Examples](https://our.umbraco.com/packages/developer-tools/ui-examples/)

There is a package available called 'UI Examples'. This package adds a new 'UI Examples' section to your Umbraco instance with working examples of how to customize the backoffice.

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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.umbraco.com/umbraco-cms/13.latest/extending/backoffice-ui-api-documentation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.