Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
How can I add costs to the sum of shipping costs in a payment module?
Several payment methods bring additional costs with them, like cash-on-delivery, which can also vary depending on the selected shipping method.
I need to know, how I can add costs to the sum of shipping price from within such a payment module.