---
title: "PaymentCardTransactionRequest.TransactionAmountDescription.preauthorizationAmount(_:)"
framework: proximityreader
role: symbol
role_heading: Case
path: "proximityreader/paymentcardtransactionrequest/transactionamountdescription/preauthorizationamount(_:)"
---

# PaymentCardTransactionRequest.TransactionAmountDescription.preauthorizationAmount(_:)

Places a temporary hold on the customer’s account for the specified amount. Only allowed for PaymentCardTransactionRequest.TransactionType.purchase

## Declaration

```swift
case preauthorizationAmount(Decimal)
```