.. _interface-analysis_drivers-fork-parameters_format:

"""""""""""""""""
parameters_format
"""""""""""""""""


Format of the parameters file



.. toctree::
   :hidden:
   :maxdepth: 1

   interface-analysis_drivers-fork-parameters_format-standard
   interface-analysis_drivers-fork-parameters_format-aprepro
   interface-analysis_drivers-fork-parameters_format-json


**Specification**

- *Alias:* None

- *Arguments:* None

- *Default:* standard format


**Child Keywords:**

+-------------------------+--------------------+--------------------+-----------------------------------------------+
| Required/Optional       | Description of     | Dakota Keyword     | Dakota Keyword Description                    |
|                         | Group              |                    |                                               |
+=========================+====================+====================+===============================================+
| Required (Choose One)   | Parameters file    | `standard`__       | Use the standard format for parameters files  |
|                         | format             +--------------------+-----------------------------------------------+
|                         |                    | `aprepro`__        | Use the APREPRO format for parameters files   |
|                         |                    +--------------------+-----------------------------------------------+
|                         |                    | `json`__           | Use the JSON format for parameters files      |
+-------------------------+--------------------+--------------------+-----------------------------------------------+

.. __: interface-analysis_drivers-fork-parameters_format-standard.html
__ interface-analysis_drivers-fork-parameters_format-aprepro.html
__ interface-analysis_drivers-fork-parameters_format-json.html



**Description**



This keyword group is used to select from among the supported
parameters file formats.

*Default Behavior*

By default, the `standard` format is used.





**Examples**



.. code-block::

    interface
      fork
      analysis_drivers 'driver.py'
      parameters_file = "params.in"
      results_file = "results.out"
      parameters_format
        json