Our FIX provider implements a custom message type to send us trade commissions.
At the moment we are using QuickFIX/n (.NET) as FIX engine implementation and looking to the documentation, it seems that it's necessary to rebuild the library every time we need to add a new message type or a new custom field/s. This force us to add the necessaries messages/fields manually to the FIX dictionary XML file, use a tool to generate new C# classes and rebuild the library. Finally we need to manually reference the custom DLLs into our projects.
This cause a lot of issue about maintaining our apps for example with a with CI/CD process.
Is there a way to add the custom messages definitions at runtime avoiding this cumbersome process? If not, is there a way to manage custom message manually on receive?