def functions(self) -> FunctionsRequestBuilder:
        """
        Provides operations to manage the functions property of the microsoft.graph.workbook entity.
        """
        from .functions.functions_request_builder import FunctionsRequestBuilder

        return FunctionsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the functions property of the microsoft.graph.workbook entity.
        
msgraph/generated/drives/item/items/item/workbook/workbook_request_builder.py