Is unifier support data exchange between Line items of Document Type BP

Hello All,

Each line in the attached sheet are the lines of the Document type BP , Is it possible if the line is closed then in the next line we can get some of the values from line 1.As shown in the figure we want 2 parameter (Return date(Actual ) and return code) from line 1 to line 2 ......you can see th navigation of the arrow in the attached  mention diagram.

Thanks,

Ankit