Miva should support adjusting transaction authorized amount before capturing payments

[flighthelmet]

Miva provides the ability to do pre-authorization and delayed capture for orders, but does not provide the ability to adjust the amount to be captured...

[compumate99]

Is it possible to get transaction ID after payment is authorized by authorize.net payment gateway?
I need transaction ID for offline capture....

[zmenchho]

We are looking to capture product details such as serial / lot numbers on products when we ship them, any suggestions for the best way to do so?
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