PHPUnit_Extensions_Story_Scenario::when PHP Method

    public function when($arguments)
    {
        return $this->addStep(new PHPUnit_Extensions_Story_When($arguments));
    }

 /**
  * Adds a "When" step to the scenario.
  *
  * @param  array $arguments
  * @return PHPUnit_Extensions_Story_TestCase
  */
 protected function when($event)
 {
     return $this->scenario->when(func_get_args());
 }