.. _`F(x)`:

.. _`org.sysess.sympathy.data.fx`:

F(x)
~~~~

.. image:: fx.svg
   :width: 48


Apply functions to an item.

Functions based on FxWrapper will be invoked once on the item.
The functions available are the ones where ``arg_types`` of the function
matches the type of the item port (port2).

:Ref. nodes: :ref:`F(x) List`

*Ports*:

    **Inputs**:

        :port1: datasource

            Path to Python file with scripted functions.
        :port2: <a>

            Item with data to apply functions on

    **Outputs**:

        :port3: <a>

            Item with the results from the applied functions

*Configuration*:

    **copy_input**
        If enabled the incoming data will be copied to the output before running the nodes.
    **selected_functions**
        Choose one or many of the listed functions to apply to the content of the incoming item.

.. automodule:: node_fx_selector

.. class:: Fx