Q. What is the basic flow of the microservice?

1. Initialize project

2. Install dependencies (express, twilio, dotenv, etc.)

3. Setup .env

4. Create an Express server, define a sendMessage function or endpoint

5. Use Twilio client (initialized with credentials) to send message (body, from, to)

Start server (say via npm run dev) and test by sending messages to verified phone number(s).