## SdtListItem class This element specifies a single list item within a parent [SdtType.COMBO_BOX](../sdttype/#COMBO_BOX) or [SdtType.DROP_DOWN_LIST](../sdttype/#DROP_DOWN_LIST) structured document...... ```python doc = aw.Document() tag = aw.markup.StructuredDocumentTa(doc...StructuredDocumentTa(doc, aw.markup.SdtType.DROP_DOWN_LIST, aw.markup.MarkupLevel...