SAP CAP - Associations automatically created key field

Hi experts,

I have a SAP CAP based service built on top of a 1 to N relationship. The entities are defined as follows:

When I expand the Patterns entity I get something as follows:

Questions:

- Is it possible to rename the automatically created field style_ID ?

- Is it possible to do not show it in reading operations? In the end you can get it with the expand.

Many thanks!

C.