CustomGame.Chat(string words);
Syntax
public void Chat(
    string words
)

words
String to send to chat ingame. CustomGame has a string called ChatPrefix which adds a prefix to your chat messages.

Sends a message to the chat ingame.

The example below will send a welcome message every time a player joins.

using System;
using CustomGameOW;

...

static void Main(string[] args)
{
    CustomGame cg = new CustomGame();

    int preplayercount = 0;

    while(true)
    {
        int playercount = cg.playercount;
        if (playercount > preplayercount)
        {
            cg.Chat("Welcome to the game! There are currently {0}/{1} players in this game.", playercount, cg.GetMaxPlayerCount()[0] + cg.GetMaxPlayerCount()[1]);
        }
        preplayercount = playercount;
    }
}