There are several ways to do this. I will show you a way to do it.
I added example images that should be in order.
This will only allow you to create new objects. If you want to edit them, you need to fetch persistent data from the database using a database, XPath, or a microflow. You can apply what I showed you in these 5 steps and think of other ways to handle the flow of data. For instance, what will then happen if you swap out the nanoflow with a microflow?