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When having Barclay account, you will login on the page: https://ca-test.barclaycardsmartpay.com
When Barclay home page appears, you choose Skins->List->Skin Code:
In Test& Live configuration item, you click Generate new HMAC Key depending on platform you choose Test platform or Live platform
This HMAC Keys provides integrators and developers the means to synchronize between Barclay home page and the Magento system
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At frontend, customer will need to choose an item and click on Add to Cart button.
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