| `com.docker.extension.publisher-url`        | Yes      | The publisher website URL to display in the details dialog.                                                                                                                                                                                                                                                                                                                                                                                                                                           | `https://example.com`                                                                                                                                                                                                                                           |
| `com.docker.extension.additional-urls`      | No       | A JSON array of titles and additional URLs displayed to users (in the order they appear in your metadata) in your extension's details page. Docker recommends you display the following links if they apply: documentation, support, terms of service, and privacy policy links.                                                                                                                                                                                                                      | `[{"title":"Documentation","url":"https://example.com/docs"},` `{"title":"Support","url":"https://example.com/bar/support"},` `{"title":"Terms of Service","url":"https://example.com/tos"},` `{"title":"Privacy policy","url":"https://example.com/privacy"}]` |
| `com.docker.extension.changelog`            | Yes      | Changelog in plain text or HTML containing the change for the current version only.                                                                                                                                                                                                                                                                                                                                                                                                                   | `Extension changelog` or `<p>Extension changelog<ul>` `<li>New feature A</li>` `<li>Bug fix on feature B</li></ul></p>`                                                                                                                                         |
| `com.docker.extension.account-info`         | No       | Whether the user needs to register to a SaaS platform to use some features of the extension.                                                                                                                                                                                                                                                                                                                                                                                                          | `required` in case it does, leave it empty otherwise.                                                                                                                                                                                                           |
| `com.docker.extension.categories`           | No       | The list of Marketplace categories that your extension belongs to: `ci-cd`, `container-orchestration`, `cloud-deployment`, `cloud-development`, `database`, `kubernetes`, `networking`, `image-registry`, `security`, `testing-tools`, `utility-tools`,`volumes`. If you don't specify this label, users won't be able to find your extension in the Extensions Marketplace when filtering by a category. Extensions published to the Marketplace before the 22nd of September 2022 have been auto-categorized by Docker. | Specified as comma separated values in case of having multiple categories e.g: `kubernetes,security` or a single value e.g. `kubernetes`.                                                                                                   |