.. _auto_simulation_set_main_input_file:

*SET MAIN INPUT FILE FOR A GIVEN SIMULATION*
============================================

Designates a specific file attachment as the main input file for a given simulation record on the platform. Use this worker in pre-processing workflows where the primary deck or input file must be explicitly registered before solver submission.

When to use
-----------

Tagged: ``attachment``, ``files``, ``input_file``, ``main_input``, ``platform``, ``simulation``.

Inputs
------

.. list-table::
   :header-rows: 1
   :widths: 20 20 20 20 20 20

   * - Label
     - ID
     - Type
     - Default
     - Required
     - Description
   * - Simulation
     - simulation_id
     - remote_lookup
     - —
     - ✓
     - Platform simulation record to update; resolved via remote lookup against the simulations data store — required, no default.
   * - Input File
     - att_id
     - remote_lookup
     - —
     - ✓
     - File attachment to designate as the main input file; resolved via remote lookup scoped to files belonging to the selected simulation — required, no default.

Outputs
-------

.. list-table::
   :header-rows: 1
   :widths: 20 20 20 20

   * - Label
     - ID
     - Type
     - Description
   * - Simulation Id
     - simulation_id
     - scalar
     - Identifier of the simulation record whose main input file was updated; passed downstream for chaining further simulation setup or submission steps.
   * - Attachemnt
     - att_id
     - scalar
     - Identifier of the file attachment that was set as the main input file; can be used downstream to reference or validate the registered deck.

Disciplines
-----------

- cae.preprocessing.setup
- data.io.file
- platform.workflow

.. raw:: html

   <hr style="margin-top:2em">
   <p style="font-size:11px;color:#888">
   Auto-generated from <code>platform</code> schema. Worker id: <code>simulation_set_main_input_file</code>. Schema hash: <code>ccb0278549dd</code>. Hand-curated docs in <code>workerexamples/</code> override this page when present.
   </p>