The setting Settings > Slack > User fields
allows you to choose which user details to include in the message sent to the main channel when a new user sends the first message. You can include the slug of your custom user details or the following slugs: browser, browser_language, location, email, user_type, token, creation_time, country_code, current_url, os, city, address, postal_code, phone, birthdate, company, timezone, website
. Default: email, browser, browser_language, location
.