NULL Doesn't work with API way in revolution

[Antuan Johnson]

Using a NULL value when updates or adding a record in revolution doesn't
work

   put VDataBase_Table( mData, "TableA" ) into TableA
   get VTable_SetBlank( TableA)
   put VTable_Field( TableA,"RecordA") into RecordA
   get VField_Value( RecordA, NULL)
   get VTable_AddRecord( TableA)

Is there something I'm missing? Is there a special way to code NULL values
in revolution?
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