User OS

This wildcard will be substituted with the client's operating system (referring to the client connected to the browser).

The valid values for this wildcard include:

• mac

• win

• linux

This wildcard tells you the operating system of your client, accessing the Helmut4 website, the operating system of your job/stream might be another - consider to have a look into this wildcard local OS

Please note that Helmut4 employs case sensitivity for all types of variables.