How write code for MACD,RSI AND VOLUME for intraday

Algos, strategies, code
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Specify the condition in brief,

the syntax for MACD is 

MACD(Short Cycle, Long Cycle, Signal Periods, MA Type)
MACDSignal(Short Cycle, Long Cycle, Signal Periods, MA Type)

Example

SET A = MACDSignal(13, 26, 9, SIMPLE)
SET B = MACD(13, 26, 9, SIMPLE)
CROSSOVER(A, B) = TRUE

for RSI

RSI(CLOSE, 14)

For Volume

REF(VOLUME, 1)
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How to write synatx for volume

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Check the above answer updated