My StrategyICHI2

//@version=2
strategy("My StrategyICHI2", overlay=true)
middleDonchian(Length) =>
    lower = lowest(Length)
    upper = highest(Length)
    avg(upper, lower)
conversionPeriods= input (7,minval=1)
basePeriods=input (22,minval=1)
tenkan= middleDonchian (conversionPeriods)
kinjun=middleDonchian(basePeriods)
longCondition = ema (close,5) > kinjun
shortCondition= ema(close,5) < kinjun
if (longCondition)
    strategy.entry("My Long Entry Id", strategy.long)

if (shortCondition)
    strategy.entry("My Short Entry Id", strategy.short)