.. _auto_string_concat:

*CONCAT TWO STRINGS AND RETURN THE CONCATENATED STRING*
=======================================================

Concatenates two string values into a single combined string. Use this worker whenever you need to join two scalar text values (e.g., building file paths, labels, or identifiers) within a workflow.

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

Classification: **process**.

Tagged: ``a``, ``c``, ``e``, ``f``, ``g``, ``i``, ``l``, ``m``.

Inputs
------

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

   * - Label
     - ID
     - Type
     - Default
     - Required
     - Description
   * - String 1
     - string1
     - scalar
     - —
     - ✓
     - First string to concatenate; any scalar text value (e.g., a filename prefix, label, or path segment).
   * - String 2
     - string2
     - scalar
     - —
     - 
     - Second string to concatenate; appended directly after string1 with no separator — leave blank to effectively pass string1 through unchanged.

Outputs
-------

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

   * - Label
     - ID
     - Type
     - Description
   * - string_concat_output_1
     - string_concat_output_1
     - scalar
     - The result of appending string2 to string1; returned as a scalar string (e.g., if string1='foo' and string2='bar', the output is 'foobar').

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

- platform.workflow

Runnable example
----------------

A runnable example is registered for this worker. Open the example workflow on the d3VIEW canvas: `/api/workflow/example?id=string_concat <https://www.d3view.com/api/workflow/example?id=string_concat>`_

.. raw:: html

   <hr style="margin-top:2em">
   <p style="font-size:11px;color:#888">
   Auto-generated from <code>transformation</code> schema. Worker id: <code>string_concat</code>. Schema hash: <code>fc0c66260ff7</code>. Hand-curated docs in <code>workerexamples/</code> override this page when present.
   </p>