hi
i use of flutter but its not exist in category , btw
i use of this code to save row with its relation , but server not save relation
Map<String,dynamic> productMap = new Map();
productMap["___class"]="ProductTable";
productMap["name"]="pizza";
Map<String,dynamic> orderMap = new Map();
orderMap["product"] = productMap;
orderMap["mobile"] = txtmobile
orderMap["address"] = txtAddress;
var response = await Backendless.Data.of("OrderTable").save(orderMap);