Learn how to use your own Shapeshifter UFTP implementation to receive and process Capacity Steering Contract (CSC) and Alternative Transport Right (ATR) activations via GOPACS. This guide explains the basics of UFTP communication and provides practical guidance on integrating activation messages into your own systems and workflows. <strong><a href="https://docs.gopacs.eu/docs/trading/day-ahead/manuals/use-own-uftp-implementation-for-handling-csc-and-atr-calls">View the manual.</a></strong> <strong>NOTE:</strong> Instead of using a Shapeshifter UFTP implementation, you can also retrieve the requested limits directly using the GOPACS Pull API. For more information, please refer to the manual <a href="https://www.gopacs.eu/technische-documenten/handling-csc-activations-via-the-gopacs-pull-api/">Handling CSC Activations via the GOPACS Pull API</a>.
