For ObjectEntry API, in the admin you can add relationships between Objects and those should be nestedFields
In the case of a 1:1 relationship it'll return an Object, for *to Many a list.
It should be implemented dynamically, as we can not generate annotations based on user configuration.
It should be finished before November.
|Backport for Add support for nested fields in Object APIs||LPS-134173||Closed||Unassigned|