How to add custom field on POS as a remark. which will add to sales invoice remark field.
POS is page and its not configurable.
However you can add page_js from hooks into it and extend pos functionality.
I already tried it. It is too complicated and very difficult to understand. Can you please explain in a simplest manner.
Looking for similar requirement to address. Will try to document whatever I can, i.e. if I am successful.