def source_column(self) -> SourceColumnRequestBuilder:
        """
        Provides operations to manage the sourceColumn property of the microsoft.graph.columnDefinition entity.
        """
        from .source_column.source_column_request_builder import SourceColumnRequestBuilder

        return SourceColumnRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the sourceColumn property of the microsoft.graph.columnDefinition entity.
        
msgraph/generated/shares/item/list_/content_types/item/columns/item/column_definition_item_request_builder.py