> For the complete documentation index, see [llms.txt](https://docs.helmut.de/helmut4-releases/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helmut.de/helmut4-releases/v4.7.0/helmut4-components/helmutfx/projects/collection-tag.md).

# Collection Tag

A collection tag can be set during the creation of a project or changed via the action button. A tag is used to link several projects as a collection and can be freely defined.