Follow this guide to fetch lavi data from your Objective-C on iOS app. The NSURLSession library will be used to fetch the database data through its REST API.
First you need to connect your app to the lavi database. It will authorize you to access this database API using your app keys. If your app doesn't have keys at Back4App yet, they will be generated during this process.
Now let's customize your query to fetch the data that you need!
Add the following code to your Objective-C on iOS app:
After running your app, you should see the following output in your Xcode debug console: