MQL5Book/Scripts/p1/HelloChartFunc.mq5

//+------------------------------------------------------------------+
//|                                               HelloChartFunc.mq5 |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+

#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

//+------------------------------------------------------------------+
//| Return Hello greeting                                            |
//+------------------------------------------------------------------+
string Greeting()
{
   return "Hello";
}

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
{
   Print(Greeting(), ",", Symbol());
}

//+------------------------------------------------------------------+