There are many possibilities to execute Payment Transactions, but a few things can be considered before you think of a flow to do it, like:
This and other questions represents challenges to a Merchant's business. The GoChip sdk solution provides a set of flow scenarios to help the Merchant to respond effectively to those situations.
Now, choose a flow and start implementing to Your Application's needs.
PREREQUISITES
Remember that all the flows defined above should be done only after the necessary steps from Getting Started are done.