> 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/v4.8.0/helmut4-components/streamdesigner/wildcards/local-environment-related-wildcards-6/local-environment.md).

# Local Environment ?

This wildcard is replaced by the value of an environment variable. This variable must be available on the OS (Windows, Mac or Linux) that is executing the stream (previously set).

* {local.environment.?}
* For the following input (?) --> MyLocalEnvironmentVariableName
* The output is going to be --> TheValue