For a Standard Object Admin can add child and related objects using extension generator.
Standard Object Configuration
Admin can add child and related objects (one-to-many and many-to-many) using extension generator.
Required Smart Actions like Create and Add are generated inside Sandbox.
Admin can also configure existing Custom objects by importing them to Extension Generator.
MM relation should be published for the drill down to work from Panel and Sub-view.
No coding needed, Admin can use Extension generator tool
Steps to Enable
Leverage Application Composer to expose and adjust page layout and attributes. To learn more about extending your application using Application Composer, visit Oracle Help Center > your apps service area of interest > Books > Configuration and Extension.