Counting Ticks in a minute bar

AFL Programming
1 
nm=Minute() != Ref(Minute(), -1);
tk = BarsSince(nm)+1;
Plot(tk,"tk counter",colorBlack);

tic

I tried to count ticks in a minute by above code. It works when i keep time frame in ticks.
I'm trying to get Histogram of ticks in a minute in 1 minute chart.
Due to my very limited knowledge of coding 'm stuck.
Please help me to get that tick count histogram for minute bar

2

You can not look inside bar from selected 1-minute interval to 1-tick interval.

So instead you may simply store the results to https://www.amibroker.com/guide/afl/addtocomposite.html in 1-tick interval

So e.g. by adding line

// added to 1-tick chart
AddToComposite( tk, "~TickCounter_" + Name(), "X", atcFlagDefaults | atcFlagEnableInIndicator );

Then open another chart and set interval to 1-minute there and call the artificial symbol (e.g. named ~TickCounter_BANKNIFTY-I) via Foreign or SetForeign.

// in 1-minute chart
tk = Foreign("~TickCounter_" + Name(), "C", true);
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