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GM:PlayerSay#511118

<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&#x27;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>Will put "[Global]" in front of the players message if they type "/all " before the message.</description>⤶ <code>⤶ hook.Add("PlayerSay", "PlayerSayExample", function( ply, text, team )⤶ -- Make the chat message entirely lowercase⤶ if ( string.sub(string.lower( text ),1,4) == "/all" ) then⤶ return "[Global] " .. string.sub( text, 5 ) -- add [Global] in front of the players text then display⤶ end⤶ end)⤶ </code>⤶ ⤶ </example>