This function triggers a transactional mail whenever a new user signs up via e-mail. Make sure you are using [Firebase Authentication](Firebase Authentication) and have Mailjet setup with a nice welcome template. Consider setting the optional Authentications displayName property to personalize your message.
- After the general setup above run
npm i - See a list of mandatory environment variables in
/functions/src/config.ts - Make sure you set all environment variables via
firebase functions:config:set variable="example" - Log into your firebase project, deploy and start sending warm welcome mails