runner.rb - are you able to pass a string?

Are you able to pass a string when using runner.rb rather than a file path (http://aptonic.com/api/index.html#debugging)

Something like: ./runner.rb "Test Destination.dropzone" dragged "String I want to use"

It throws a wobbly:

/runner.rb:48:in `method': undefined method `String I want to use' for class `Object' (NameError)
    from ./runner.rb:48

Thanks in advance.