Once you have processed a Deferred transaction through your account you are then able to release this to receive the funds.
Before doing so however, you must first ensure that the user you plan on performing the authorise with has the privileges to do so.
When you are attempting to release a transaction it is important to know;
After logging into the account you will first need to locate the transaction you wish to release.
To do this select the transactions tab within MySagePay and use the options available to locate the deferred transaction.
Now that you have located the deferred transaction you are ready to release.
Simply click on the transaction you wish to release, you will then be presented with the transaction detail screen.
The Release button will be displayed on the bottom right corner of the transaction detail screen. Select this button to be taken to the release screen.
Enter the amount you would like to take from the shopper and select release.
You have now successfully released a transaction.