business objects composite relation

How to save date with business object aggregation relation?

How to save data in h2 database with business objects aggregation relation?

this is .bos:
https://drive.google.com/file/d/1zkiTYlwlfDI51E_LQPf8JnEJRE8Y0nQD/view?u...

after execution of this process , there are no data in H2 database?

Ps:
with business objects composite relation, i can found data in h2 but i need to use business object aggregation relation?

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