let provider = MoyaProvider<MyService>()

func login(userName : String, password: String){
    let parameters = ["useremail" : userName, "password": password]
    provider.request(.login(parameters: parameters)) { result in
        switch result{
            case let .success(moyaResponse):

                do {
                    try moyaResponse.filterSuccessfulStatusCodes()
                    let data = try moyaResponse.mapJSON()
                    print(data)
                } catch let error{
                    print(error)
                }
                break

            case let .failure(error):
                print(error)
                break
        }
    }
}

{
  "userlogin": [
    {
      "idu": "",
      "username": "",
      "password": "",
      "email": "",
      "first_name": "",
      "last_name": "",
    }
  ],
  "success": 1
}

func parseResult (_ completion :(statuscode : Int, Swift.Error?)) -> ((_ result:  @escaping Moya.Completion) -> Void){
    return { (result) -> () in
        switch result {
        }
    }
}

provider.request(.login(parameters: parameters)), completion: parseResult{ statuscode, error? in

    })