NINJATRADER simple indicator

Job ID: 38780433

Budget: €8 – €30 EUR

i want to develop an indicator on ninjatrader , to show me delta divergence and alert me.
i will use on ES .
i put the bar minimum volume on the indicator parameter.
when delta is negative and the bar is green, alert and draw green triangle below the bar , and alert sound.

else red triangle above the bar