Coding in .csv file

Hi @saakinvest
welcome to the forum! Please introduce yourself here!

Have you seen this doc: http://xlsform.org/en/#external-selects and the sample form attached there
https://docs.google.com/spreadsheets/d/12qZL34kuHSZGWDv0BBJ1qf7dSmml-d2VnMWH0Vtg-O4/edit#gid=683809272?