> 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/streamdesigner/wildcards/undocumented-wildcards.md).

# Undocumented Wildcards

- [Environment Variable Bypass Wildcard](https://docs.helmut.de/helmut4-releases/v4.7.0/helmut4-components/streamdesigner/wildcards/undocumented-wildcards/environment-variable-bypass-wildcard.md)