business object aggregation relation

How to retrieve object attributes in an object(BDM)?

Hi everybody,

I have a BDM called VendorRequest like this: here

And the question derives from the selected row: BU(BusinessUnit) is another class I defined earlier.

At the submit form where the user fills the VendorRequest form, I can successfully choose the BusinessUnit information, which presents as BU_PID in my H2 database like this.

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