How to use team chat in GMod
Type say_team regroup at spawn in your game console to send that message to your team only, in gamemodes that have teams.
say_team
Sends a chat message only to players on your team.
say_team <message> Examples
say_team regroup at spawn Message your team only.
Arguments
messageRequired- Text to send.
What it does
Works like say but only for the sender's team, in gamemodes that have teams.
The game's own description: Display player message to team
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to garrysmod/cfg/server.cfg. New to this? Start a GMod server first.
Your own
GMod server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.