iRSI() function.. how to get data from past candles?

 

Hi guys...

There are a way to use iRSI() function to get data from past candles ? Not only for actual candle... if yes, how can i do that?

 
iRSI(NULL,0,14,PRICE_CLOSE,0)
Change the shift value
 

OK. Understand!

 

Thanks! 

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