Simple Hello Bot Development -- 2

I need a simple bot that uses Google Apps Script and the Google Chat API to send a basic "Hello" message.

Requirements:
- Responds only when mentioned
- No additional functionalities are required at this time

Ideal Skills and Experience:
- Proficiency in Google Apps Script
- Experience with Google Chat API
- Prior experience in developing chatbots

Please provide evidence of your experience with similar projects in your bid.