.. _environment-results_output-hdf5-interface_selection-none: """" none """" Write evaluation data for no interfaces to HDF5 **Topics** dakota_output .. toctree:: :hidden: :maxdepth: 1 **Specification** - *Alias:* None - *Arguments:* None - *Default:* simulation **Description** When this option is selected, no interface evaluation data is written to HDF5, and the ``/interfaces`` group is not created. HDF5 output is an experimental feature, and the contents and organization of the output file is subject to change. The current organization and a brief explanation of HDF5 is provided in the :ref:`hdf5_output<hdf5_output>` section of this manual.