code: function(userScript, callback) {
        // If it's a run script, do some inputs
        script = userScript;
        if((userScript === 'run' || userScript === 'output') &&
           (method.fields.input || method.scripts.input)) {
          var inputs = (method.fields && method.fields.input) || [];
          RunUtil.harvestInputs(grunt, runner, method, inputs, callback);
        } else {
          callback(null, []);
        }
      }
docs: Get some fields