def gamma_inv(self) -> Gamma_InvRequestBuilder:
        """
        Provides operations to call the gamma_Inv method.
        """
        from .gamma_inv.gamma_inv_request_builder import Gamma_InvRequestBuilder

        return Gamma_InvRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the gamma_Inv method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py