const Condor = require('condor-framework'); class Greeter { sayHello(call) { return { 'greeting': 'Hello ' + call.request.name }; } } const logger = (context, next) => { console.log('Request:', call.request); return next(); }; const app = new Condor() .addService('./protos/greeter.proto', 'myapp.Greeter', new Greeter()) .use(logger) .start();