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tnw_mage_basic__Subtotal__c
tnw_mage_basic__Tax_Fee__c
tnw_mage_basic__Shipping_Fee__c
tnw_mage_basic__Discount__c
tnw_mage_basic__Grand_Total__c - this is formula field and value automatically as
Code Block tnw_mage_basic__Grand_Total__c = tnw_mage_basic__Subtotal__c + tnw_mage_basic__Tax_Fee__c + tnw_mage_basic__Shipping_Fee__c + tnw_mage_basic__Discount__c
Our Magento module has appropriated mapping for these fields:
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