> For the complete documentation index, see [llms.txt](https://docs.guardianservice.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.guardianservice.app/technical-information/users/standard-registry-users-schemas-and-policies/schemas/creating-tag-schemas-using-ui.md). # Creating Tag Schemas using UI Tags can have attached/linked documents. To add a document to the tag, a schema is required. Such documents can be found under the **Tag Schemas** section.