Dear Zerodha, Please help me for the following trade script

Dear Zerodha,

Please help me for the following trade script. I could not find this in TradeScript help.pdf.

Buy Signal : Crossover of STARC Bottom with EMA 40 (STARC Bottom moving up)

Sell Signal : Crossover of STARC Top with EMA 40 (STARC Top moving Down)

Thanks in advance,

regards,

Surinder

For the above condition there is not such STARC funtion in tradescript.

please explain what is STARC in your condition?