# OpenapiClient::PreAuthSecondaryTransaction ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **transaction_amount** | [**Amount**](Amount.md) | | **decremental_flag** | **Boolean** | This flag can only be used in a preAuth transaction that updates the amount of a previous preAuth transaction to either increase the preAuth amount (DecrementalPreAuthFlag = false) or decrease the preAuth amount (DecrementalPreAuthFlag = true). | [optional] [default to false] ## Code Sample ```ruby require 'OpenapiClient' instance = OpenapiClient::PreAuthSecondaryTransaction.new(transaction_amount: null, decremental_flag: false) ```