//---- Step 1: Define constants in your EA
#define  OP_BUY_1         4      // Bullish Trend Change (Blue 1)   
#define  OP_SELL_1       5      // Bearish Trend Change (Red 1)
#define  OP_BUY_2         6      // Bullish Pullback (2)
#define  OP_SELL_2       7      // Bearish Pullback (2)
#define  OP_BUY_3         8      // Bullish Inside Bar Breakout (3)
#define  OP_SELL_3       9      // Bearish Inside Bar Breakout (3)
#define  OP_BUY_4         10      // Bullish Correction during Downtrend (blue dash)
#define  OP_SELL_4       11      // Bearish Correction during Uptrend (red dash)

//---- Step 2: Read values from the signal buffer
int start()
{
   // Read signal for this bar
   double value = iCustom ( Symbol (), Period (), "Market\\pz-trend-trading" , 10 , 1 );
   
   // Do something
   if (value == OP_BUY_1) { /* Your code for bullish trend */ }
   if (value == OP_SELL_1){ /* Your code for bearish trend */ }
   if (value == OP_BUY_2) { /* Your code for bullish pullback */ }
   if (value == OP_SELL_2){ /* Your code for bearish pullback */ }
   if (value == OP_BUY_3) { /* Your code for bullish inside bar breakout */ }
   if (value == OP_SELL_3){ /* Your code for bearish pullback goes here */ }
   if (value == OP_BUY_4) { /* Your code for bullish correction */ }
   if (value == OP_SELL_4){ /* Your code for bearish correction */ }
   if (value == EMPTY_VALUE ) { /* Your code if no signal */ }
   
   // Exit
   return ( 0 );
}

  string                     IndicatorName="\\Market\\PZ Trend Trading";
      int                        SignalBuferforBUY=10;                         //SignalBuferforBUY --> Buffer number for BUY signal

      ArrayResize(custom_buffer_for_Open_BUY,3+ShiftIndicator);
      ArrayResize(custom_buffer_for_Open_SELL,3+ShiftIndicator);
      for(int inum=StartCopyI;inum<3+ShiftIndicator; inum++)
        {
         custom_buffer_for_Open_BUY[inum]=iCustom(StrategySymbolString,StrategyTimeFrame,IndicatorName,SignalBuferforBUY,StartCopyI+inum);
        }

      // Read signal for this bar
      int value=custom_buffer_for_Open_BUY[ShiftIndicator];
      // Do something
      if(value == OP_BUY_1) { sig=1; }
      if(value == OP_SELL_1){ sig=-1; }
      if(value == OP_BUY_2) { sig=1; }
      if(value == OP_SELL_2){ sig=-1; }
      if(value == OP_BUY_3) { sig=1; }
      if(value == OP_SELL_3){ sig=-1; }
      if(value == OP_BUY_4) { sig=1; }
      if(value == OP_SELL_4){ sig=-1; }
      if(value==EMPTY_VALUE){ sig=0; }

  // MetaTrader 5 ####################################################################
      // MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5 MetaTrader 5
      if(xCustomCopyBufferMT5(h_custom_for_Open,2,StartCopyI,3+ShiftIndicator,custom_buffer_for_Open_BUY)<3+ShiftIndicator)return(0);
      if(xCustomCopyBufferMT5(h_custom_for_Open,3,StartCopyI,3+ShiftIndicator,custom_buffer_for_Open_SELL)<3+ShiftIndicator)return(0);

      if(custom_buffer_for_Open_SELL[ShiftIndicator]!=EMPTY_VALUE && custom_buffer_for_Open_SELL[ShiftIndicator]>0)
         sig=-1;
      else
      if(custom_buffer_for_Open_BUY[ShiftIndicator]!=EMPTY_VALUE && custom_buffer_for_Open_BUY[ShiftIndicator]>0)
                    sig=1;
      else sig=0;

// Do something
      if(value == OP_BUY_1) { sig=1; }
      if(value == OP_SELL_1){ sig=-1; }
      if(value == OP_BUY_2) { sig=1; }
      if(value == OP_SELL_2){ sig=-1; }
      if(value == OP_BUY_3) { sig=1; }
      if(value == OP_SELL_3){ sig=-1; }
      if(value == OP_BUY_4) { sig=1; }
      if(value == OP_SELL_4){ sig=-1; }
      if(value==EMPTY_VALUE){ sig=0; }