This method creates a new single disbursement transaction. A single disbursement transaction represents a payment sent by a merchant to a beneficiary through various payment connectors such as mobile money and bank transfers. For payload explanations for both request and response, click here 
using OneKhusa.SDK;
using OneKhusa.SDK.Models.Transactions.SingleDisbursements.BankOrWallet;
using OneKhusa.SDK.Models.Constants.TestAccounts;

//code omitted for brevity

OneKhusaResponse<CreatePayoutResponse> response = await client
    .Transactions
    .SingleDisbursements
    .CreatePayoutAsync(new CreatePayoutRequest
    {
        TransactionAmount = 50000.00M,
        BeneficiaryName = "JOE DOE",
        SourceReferenceNumber = "QWSFCTXF882",
        BeneficiaryAccountNumber = BankAccounts.AccountNumber1,
        ConnectorId = 221300,
        MerchantAccountNumber = 12345678,
        TransactionDescription = "MEETING ALLOWANCE PAYMENT",
        CapturedBy = "joe.doe@example.com"
    });

if (response is { IsSuccess: true, Data: not null })
{
    Console.WriteLine($"""
        MerchantAccountNumber: {response.Data.MerchantAccountNumber};
        TransactionReferenceNumber: {response.Data.TransactionReferenceNumber};
        ResponseCode: {response.Data.ResponseCode}
        """);
    return;
}
//it means an error has occurred: RFC7807 compliant error object
Console.WriteLine($"""
        Type: {response.Error?.Type};
        Title: {response.Error?.Title};
        Detail: {response.Error?.Detail};
        ErrorCode: {response.Error?.ErrorCode};
        Status: {response.Error?.Status};
        Instance: {response.Error?.Instance};
        Errors: {string.Join(";", response.Error?.Errors ?? [])}
""");
Console.ReadLine();
Note: This method accepts custom idempotency key generated by your system. By default, if not specified, it will create one on your behalf.