yufengg

// Corresponding spreadsheet: https://docs.google.com/spreadsheets/d/11pse2j9nLimlgyGsxVCtcHY7vBRYchMFslR_rIReNiQ/edit?usp=sharing

function myFunction(event) {
  Logger.log(SpreadsheetApp.getActive().getUrl());
  
  Logger.log(JSON.stringify(event));
  
  row_num = event.range.rowStart;
  col_num = event.range.columnEnd;