Convert tradingview heiken ashi with ema to Mql5

Question

I try to add heiken Ashi price close handle in IMA. But i don't know how to do. For example like this :

ha = heikinashi(tickerid)
ha_close = security(ha, res, close[1])
ma = ema(ha_close[1], 30)

Thank you all.

I try to convert a tradingview code to mql5