<function name="PlayerSay" parent="GM" type="hook"> <ishook>yes</ishook> <description>Called when a player dispatched a chat message. For the clientside equivalent, see <page>GM:OnPlayerChat</page>.</description> <realm>Server</realm> <predicted>No</predicted> <args> <arg name="sender" type="Player">The player which sent the message.</arg> <arg name="text" type="string">The message's content</arg> <arg name="teamChat" type="boolean">Is team chat?</arg> </args> <rets> <ret name="" type="string">What to show instead of original text. Set to "" to stop the message from displaying.</ret> </rets> </function> <example> <description>Adds a coin flip command to the chat. Player should type `/flip` (`/FLIP` and `/Flip` will work too)</description> <code> hook.Add("PlayerSay", "CoinFlip", function( ply, text ) if string.lower(text) == "/flip" then PrintMessage(HUD_PRINTTALK, ply:Nick() .. " flipped the coin and got " .. (math.random(2) == 1 and "heads" or "tails" ) ) return "" end end) </code> <output> `Player1 flipped the coin and got heads` </output> </example> <example> <description>Adds a symbol counter command to the chat. Player should type `/len *text*`</description> <code> hook.Add("PlayerSay", "CharCount", function( ply, text ) if string.find(string.lower(text),"^/len ") then ply:ChatPrint("Your message has " .. utf8.len(string.sub(text,6)) .. " symbol(s)")⤶ ply:ChatPrint("Your message has " .. utf8.len(string.sub(text,6)) .. " symbol(s)") -- We use 6 in string.sub because it's a length of `/len ` + 1⤶ return "" end end) </code> <output> `Your message has 5 symbol(s)` when player typed `/len Hello` </output> </example>