This tutorial allows developers to integrate Dialogflow with Twilio Conversations using NestJS. The project is composed of a backend built with NestJs/Express, Twilio's Conversations API, and the DialogFlow integration. It uses NodeJs, Typescript, Twilio API key, Ngrok, Google Cloud Account, and various services such as Dialogflow and Twilio Conversations to create an isolated scoped webhook that captures the first message in a conversation. The backend receives the webhook, creates a new conversation in Dialogflow, and responds with the user's input. The tutorial also covers creating a new service named twilio.service.ts under src/services, which acts as the primary object when interacting with Twilio's API. Additionally, it creates a new service named dialogflow.service.ts under src/services, which acts as the primary object for interacting with Dialogflow's API. The project includes two endpoints: /conversations/events and /:conversationId/events, which handle the onConversationAdded event and the onMessageAdded event, respectively.