.. _`Propagate First Input`:

.. _`org.sysess.sympathy.generic.propagatefirst`:

Propagate First Input
~~~~~~~~~~~~~~~~~~~~~

.. image:: propagate_first.svg
   :width: 48


Propagate first input to output.

This node is mostly useful for testing purposes.
It can also be used to force a specific execution
order.

*Ports*:

    **Inputs**:

        :item1: <a>

            The Item to be propagated
        :item2: <b>

            Item that will not be propagated

    **Outputs**:

        :item: <a>

            Propagated Item

*Configuration*:



.. automodule:: node_list_operations

.. class:: PropagateFirst