Put a data view inside your list view and change its data source to Microflow.
The microflow itself looks like this
In your case Child would be Pendapatan and Parent is Itempendapatan. Make sure when creating a new Child(Pendapatan) that you select an already existing Parent(Itempendapatan) using a Reference Selector!
Be sure to check out the Rapid Developer Learning path or This question similar to yours if you want more information on this