I have developed a plug-in for name registration and new payment plug-in. But they do not work correctly.
Development and troubleshooting of custom plug-ins (which are not shipped with OBAS) is out of Odin Scope of Support. It's recommended that you refer to the OBAS SDK guide for the details about plug-in's configuration.
Also it's a good idea that you apply to Odin forum for useful tips: