``files`` section (mandatory)
*****************************

.. toctree::
   :maxdepth: 5

This section is mandatory to initialize an :class:`.Accelerator`.
It must contain the key ``dat_file``, which is the path to the linac structure file (same format as TraceWin).

.. csv-table::
   :file: configuration_entries/files.csv
   :widths: 30, 5, 50, 10, 5
   :header-rows: 1

See also: :mod:`lightwin.config.files` and the :ref:`TraceWin compatibility note<TraceWin-compatibility-note>`.