> 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/v4.6.1/helmut4-components/streamdesigner/wildcards/functional-wildcards/helmut-variable.md).

# Helmut Variable ?

This wildcard is replaced by the value of a variable that was defined in the Helmut Preferences. The name of the variable is used as input. The wildcard is used in the following way:

* {helmut.variable.?}
* For the following input (?) --> MyVariableName
* The output is going to be --> VariableValue