gistfile1.rb

# Trace is a model in vendor/plugins/mylogger/lib/app/models/trace.rb


# vendor/plugins/mylogger/lib/mylogger.rb
#...
module MyLoggerImpl
    
    def self.trace(controller_instance)
      
      puts 'Tracing'
      controller_instance.instance_eval do
        t = ::Trace.new
        t.path = request.url
        t.save
      end
      
    end
    
# ...
end

# Error is: uninitialized constant MyLogger::MyLoggerImpl::Trace

# Trace is obviously not in that module. But, how can I use it in my plugin?