Process a Sale

This guide shows you how to process an immediate payment using App2App integration.

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Complete Sale Transaction

// Sale for €25.00
startPaymentTransaction(
    type = StartTransactionType.SALE,
    amountInCents = 2500,
    uniqueTransactionId = "",
    enablePrinting = true
)

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Parameters

Parameter	Value	Description
type	StartTransactionType.SALE	Transaction type
amountInCents	2500	Amount in cents (€25.00)
uniqueTransactionId	""	Leave empty for sales
enablePrinting	true	Enable receipt printing

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Amount Format

Always pass amounts in cents/minor currency units (e.g., 1250 = €12.50).

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Handle the Response

private fun processPaymentResponse(response: StartTransactionResponse) {
    if (response.transApproved == true) {
        val authCode = response.authCode
        val maskedPan = response.primaryAccountNumber
        val amount = response.transAmount // Amount in cents
        // Handle success
    } else {
        val errorCode = response.transactionResponse
        // Handle failure
    }
}