How to send one parent with multi child to firebase over Google app script?
问题 i have G-AppScript code where should make item batches as child of the parent "Article code" like photo below: google sheets data table: the target result i tried to write the link below: G-AppScript function writeDataToFirebase() { var ss = SpreadsheetApp.getActiveSpreadsheet(); var sheet = ss.getSheets()[0]; var data = sheet.getDataRange().getValues(); var dataToImport = {}; for(var i = 1; i < data.length; i++) { var ItemCode = data[i][0]; var Batch = data[i][3]; dataToImport[ ItemCode ] =