def getSessionKey = Action.async {
    ws.url(URL).post(POST).map{ request =>
      val parts =   request.body.split(",")
      val sessionKey = someResult
      val sessionValue = someString
      Ok(request.body)
    }
  }

  def getArguments(sessionValue:String) =Action.async {

  >>get sessionValue for this method
      Ok(request.body)
    }
  }