Pine Editor Tutorial #3 - Trading Sessions

//@version=4
study("Pine Editor Tutorial #3 - Trading Sessions", overlay=true)

// Asking for an input to turn on or off the Exchange Sessions
Sessions = input(false, title="Toggle Coloured Exchange Sessions")


// Defining the variable Time in range
timeinrange(res, sess) =>
    time(res, sess) != 0

//plotting according to session

timeinrange__1 = timeinrange(timeframe.period, "1900-0300")
bgcolor(Sessions ? timeinrange__1 ? color.red : na : na, transp=70, title="Asian Session")
timeinrange__2 = timeinrange(timeframe.period, "0300-0800")
bgcolor(Sessions ? timeinrange__2 ? color.lime : na : na, transp=70, title="Europe Session")
timeinrange__3 = timeinrange(timeframe.period, "0800-1900")
bgcolor(Sessions ? timeinrange__3 ? color.blue : na : na, transp=70, title="NY Session")


// The end
// Written by Duncan Oosthuizen