Need BICC PVO for Demand Class

Summary: Looking for the BICC PVO name for Demand Class Values to tie back from the Sales Order Extract of column 'HEADERDEMANDCLASSCODE' which is capturing numeric values as ID's—221351.

Any help on the details of PVO for Demand Class or any alternate way to tie back with the code from SO to fetch the Demand class name details?

BICC PVO used for SO—> FscmTopModelAM.ScmExtractAM.DooBiccExtractAM.HeaderExtractPVO

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