Display System signals on Chart automatically

Hi,
I have a system for Nifty Index will Buy and Sell signals. Now, I want to see this system applied on the specific chart every time I open the chart.
Currently, I have to run backtest and then select show arrow for actual trades.
So, is there a better way to do it ?

Check out PlotShapes
https://www.amibroker.com/guide/afl/plotshapes.html