To get the attention of a friend, peer, or colleague in a specific channel, type
@ followed by their username, for example:
@username. The mentioned user sees the channel name bolded or is notified via email or their mobile device if they're not online.
You can also notify everyone in a channel who is online by typing
@here. This command sends every active user online a DM to go along with the notification. @here's are great for spontaneous questions and bringing in everyone online to one place.
You can also notify everyone in a channel by typing
@all. This command sends everyone in the channel an email to go along with the Community message. We recommend using
Although notifying everyone in the channel is useful for announcements, gathering information, or office hours, not every message requires this.