How can we determine if a project deployed on the TWX platform is an extension (programmatically) ?

I want to verify whether a project is an extension. Using the code snippet below, we can retrieve a list of all extensions and iterate through them. However, in our case, the project name and its extension name might differ. How can we identify it in such a scenario?

result = Subsystems["PlatformSubsystem"].GetExtensionPackageList();