When you sign up for Barclaycard ePDQ you receive instructions on how to access the administration area for your account. In order for Payage to be able to work with your account, the following settings are required in Configuration >> Technical Information.
Default operation code: "Sale"
Leave all settings at their default values.
In "Checks for e-Commerce" >> SHA-IN pass phrase: Enter a password, which you must also enter in Payage. Leave the URL blank.
Tick "I would like to receive transaction feedback parameters on the redirection URLs".
In "Security for request parameters" >> SHA-OUT pass phrase: Enter a different password, which you must also enter in Payage.