Reverse a Transaction

This guide shows you how to void a transaction before settlement using App2App integration.

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Reverse/Void Transaction

// Reverse a previous transaction using its original UTI
startPaymentTransaction(
    type = StartTransactionType.REVERSAL,
    amountInCents = 0, // Amount is retrieved from original transaction
    uniqueTransactionId = originalTransactionUti, // UTI of transaction to reverse
    enablePrinting = true
)

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Parameters

Parameter	Value	Description
type	StartTransactionType.REVERSAL	Transaction type
amountInCents	0	Amount is retrieved from original transaction
uniqueTransactionId	originalTransactionUti	UTI of transaction to reverse
enablePrinting	true	Enable receipt printing

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Critical Requirements

• Reversal UTI: For reversals, use the original transaction's UTI
• The amount is automatically retrieved from the original transaction