//--- input parameters
// Identify the buffer numbers
const string   IndicatorName         =  "v2ds";
const int      IndexRZHigh          = 4;
const int      IndexRZLow          = 5;
const int      IndexSZHigh          = 6;
const int      IndexSZLow          = 7;
int            Handle;
double         BufferRZHigh[3];
double         BufferRZLow[3];
double         BufferSZHigh[3];
double         BufferSZLow[3];

//--- int OnInit()
   Handle   =  iCustom(Symbol(), Period(), IndicatorName);
   if(Handle==INVALID_HANDLE)
     {
      PrintFormat("Error %i", GetLastError());
      return(INIT_FAILED);
     }  
//--- void OnDeinit(const int reason)
   IndicatorRelease(Handle);
//--- void OnTick()
    //--- Calculate Array From Indicator
      int   cnt         =  CopyBuffer(Handle, IndexRZHigh, 0, 3, BufferRZHigh);
      if(cnt<3)
         return;
      cnt         =  CopyBuffer(Handle, IndexRZLow, 0, 3, BufferRZLow);
      cnt         =  CopyBuffer(Handle, IndexSZHigh, 0, 3, BufferSZHigh);
      cnt         =  CopyBuffer(Handle, IndexSZLow, 0, 3, BufferSZLow);
      double currentRZHigh   =  BufferRZHigh[1];
      double currentRZLow    =  BufferRZLow[1];
      double currentSZHigh   =  BufferSZHigh[1];
      double currentSZLow    =  BufferSZLow[1];
    //--- Calculate Prev Close Price
      double   Close[];
      ArraySetAsSeries(Close,true);
      CopyClose(_Symbol,0,0,1,Close);

    //--- Buy Condition
    Close[0]>=currentSZLow && Close[0]currentRZLow