How do I make another player say something using the console?

[setro2]

How do I make another player say something using the console?
I know there's a command for this, I'm just not sure.
I think the command goes like this: chatmessageall(); Im not sure, please help.

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[SlayerZ99]

Type "console commands" into search

[iBlox / (-Nick-)]

ServerCmdMessageSent(FindClientByName("PlayerName"),"Message");