using Gr4vy;
using Gr4vy.Models.Components;

var sdk = new Gr4vySDK(
    id: "example",
    server: SDKConfig.Server.Sandbox,
    bearerAuthSource: Auth.WithToken(privateKey),
    merchantAccountId: "default"
);

var res = await sdk.PaymentMethods.NetworkTokens.Cryptogram.CreateAsync(
    paymentMethodId: "ef9496d8-53a5-4aad-8ca2-00eb68334389",
    networkTokenId: "f8dd5cfc-7834-4847-95dc-f75a360e2298",
    cryptogramCreate: new CryptogramCreate() {
        MerchantInitiated = false,
    }
);

// handle response

{
  "cryptogram": "<string>",
  "type": "network-token-cryptogram"
}