## IStructuredDocumentT.lock_contents property When set to true, this property will prohibit a user from editing the contents of this **SDT**. ```python @property def lock_contents(self) -> bool: .......```python doc = aw.Document() builder = aw.DocumentBuilder(doc=doc)...markup.StructuredDocumentTa(doc, aw.markup.SdtType.PLAIN_TEXT...