[Wesley221]

pawn Код:

public OnPlayerDisconnect(playerid, reason)
{
    new string[64], name[MAX_PLAYER_NAME];
    GetPlayerName(playerid, name, sizeof name); // Gets the playername and stores it in name
    switch(reason)
    {
        case 0: format(string,sizeof string," ** %s left the server. Reason: Timed out",name); // ** Wesley221 left the server. Reason: Timed out
        case 1: format(string,sizeof string," ** %s left the server. Reason: Leaving",name); // ** Wesley221 left the server. Reason: Leaving
        case 2: format(string,sizeof string," ** %s left the server. Reason: Kicked/Banned",name); // ** Wesley221 left the server. Reason: Kicked/Banned
    }
    SendClientMessageToAll(ENTERYOURCOLOURHERE,string);
    return 1;
}

Edit:

pawn Код:

public OnPlayerConnect(playerid)
{
    new name[24], string[64];
    GetPlayerName(playerid, name, sizeof name);
    format(string, sizeof string, " ** %s just joined the game!", name);
    SendClientMessage(playerid, COLOR_BLUE, string);
    return 1;
}