Welcome joining users on a channel with automated custom messages, direct and notifications.
This app will soon be available on Rocket.Chat Marketplace. While this doesn't happen, follow this doc on how to manually install it.
You can find the app packages here
Once you have the Welcome Bot installed, chose a channel to configure it. You must have a role of an admin, owner, moderator or leader on the channel in order to be able to config.
Go to the channel, and configure it using the App Config UI.
A config modal will open: