Observe the existing standard naming of the packages:
note it is prefixed by "2O-" and then the application component. In my example, I want to place my custom CDS views under FI, too.
Find the package, which contains standard CDS views under your application component. In my case it is CDS C_GLLINEITEMSQ0001 under FINS_FIS_FICO_APPS.
Create a Z* package under a desired
parent package (
note, in my case parent is FINS_FIS_FICO) and copy all the properties from your example.
Now it's the time to assign your custom models to a newly-created custom package:
And check it out in Analysis
Voila!