## SdtListItemCollectio.selected_value property Specifies currently selected value in this list. Null value allowed, meaning that no currently selected entry is associated with this list item colle...... ```python doc = aw.Document() tag = aw.markup.StructuredDocumentTa(doc...StructuredDocumentTa(doc, aw.markup.SdtType.DROP_DOWN_LIST, aw.markup.MarkupLevel...