In Settings > Slack > User Fields, select what user info is included in messages sent to the main Slack channel when a user sends their first message.

You can include:

• Predefined fields: email, browser, browser_language, location, user_type, token, creation_time, country_code, current_url, os, city, address, postal_code, phone, birthdate, company, timezone, website
• OR add custom user slugs
• 🛑 Default: email, browser, browser_language, location