You only need to select which icons to count and whether you'd like to show its quantity or its value, if any.
By default the icon counter will take all columns into account - even if hidden - but you can change the scope of each counter.
It can either count all columns, only columns in folder or columns in folder + subfolders
It can either count all columns, only columns in folder or columns in folder + subfolders
Add an icon counter
This is our sample data. We will add an icon counter to count all the flags in each row.
The configuration of our icon counter
And the result.