title: How to know the value of a built-in variable in WiX Toolset
body: <p>I know WiX Toolset have some built-in variables that you can use on your projects. A list of them can be consulted <a href="https://documentation.help/WiX-3.10.1/bundle_built_in_variables.html" rel="nofollow noreferrer">here</a>.</p>
  <p>But how can I know the value of a variable? For example, if I want to know what value stores LocalAppDataFolder variable, how can I do that from Visual Studio? Is there any command to output its value? I mean something like when outputting system environment variables values from command prompt: echo %Path%</p>