I would like to know if there is a way to change the {TOTAL TEXT} changing “Dollar” and “Cents” to our currency formats “Rufiyaa” and “Laari”. Thank you.
Unless it is part of one of the translations, I am guessing NO.
That said, you can create your own script to use with printing numbers as words. I use a JScript function to print numbers in Spanish language for example. I found the script on the internet, so you could do the same for your particular language.
JScript:
Printer Template using {CALL:X} to invoke the script:

