Inicializar Pay-me SDK iOS

import UIKit
import Payme

let customer = PAYMEAddressData(
    firstName: "Levis Antonio",
    lastName: "Silvestre Maylle",
    email: "levis.silvestre@alignet.com",
    phone: "51-958435685",
    identityDocument: PAYMEIdentityDocument(
        type: "DNI",
        identifier: "72111111",
        country: "PE"
    ),
    addressLine1: "Av casimiro Ulloa 333",
    addressLine2: nil,
    city: "Lima",
    state: "Lima",
    country: "PE"
)

let billingShipping = PAYMEAddressData(
    firstName: "Levis Antonio",
    lastName: "Silvestre Maylle",
    email: "levis.silvestre@alignet.com",
    phone: "51-958435685",
    addressLine1: "Av casimiro Ulloa 333",
    addressLine2: nil,
    city: "Lima",
    state: "Lima",
    country: "PE"
)

var additionalFields = [String: String]()
additionalFields["reserved1"] = "1"
additionalFields["reserved2"] = "2"
additionalFields["reserved3"] = "3"

let paymeChargesRequest = PAYMEChargesRequest(
    transaction: PAYMETransactionData(
        operationNumber: "0000001",
        amount: "1000",
        currency: "604",
        additionalFields: additionalFields,
        customer: customer,
        billing: billingShipping,
        shipping: billingShipping
    ),
    setting: PAYMESettingData(
        locale: "es_PE",
        paymentMethods: ["CARD", "YAPE", "CUOTEALO"],
        walletUserID: nil
    )
)

let paymeClient = PaymeClient(
    delegate: self,
    merchantCode: "MERCHANT_CODE"
)

paymeClient.setEnvironment(
    environment: PaymeEnviroment.development
)

paymeClient.invokeCaptureForm(
    from: self.navigationController!,
    accessToken: "TOKEN_GENERADO_PARA_ESTA_SOLICITUD",
    paymeChargesRequest: paymeChargesRequest
)

extension MainController: PaymeClientDelegate {
    func onRespondsPayme(response: PAYMEChargesResponse) {
        // Procesa el resultado final del flujo.
    }

    func onPaymeEvents(event: PaymeEvent) {
        // Registra eventos de navegación o interacción del SDK.
    }
}