I can't see any output messages when they are printed from some tester events.

[karp wak]

I can't see any output messages when they are printed from some tester events.

Do I have to do something special to be able to see them?

I have MT5 Build 2981 (21 Jun 2021).

Thank you so much!!

//+------------------------------------------------------------------+
void OnTesterInit() //--> never 
{
   Print("P: OnTesterInit()");
   PrintFormat("PF: OnTesterInit()"); 
   printf("pf: OnTesterInit()");   
   Comment("C: OnTesterInit()"); 
}
//+------------------------------------------------------------------+
double OnTester() //--> it does works on test mode only (not while optimization)
{      
   
   Print("P: OnTester()");
   PrintFormat("PF: OnTester()"); 
   printf("pf: OnTester()");   
   Comment("C: OnTester()"); 
   
   return SQN();
}
//+--------------------------------------------------------------------+
void OnTesterPass() //-->never
{
   Print("P: OnTesterPass()");
   PrintFormat("PF: OnTesterPass()"); 
   printf("pf: OnTesterPass()");   
   Comment("C: OnTesterPass()"); 
}
//+------------------------------------------------------------------+
void OnTesterDeinit() //-->never
{   
   Print("P: OnTesterDeinit()");
   PrintFormat("PF: OnTesterDeinit()"); 
   printf("pf: OnTesterDeinit()");   
   Comment("C: OnTesterDeinit()");
}
//+------------------------------------------------------------------+