.. _`Propagate First Input (Same Type)`:

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

Propagate First Input (Same Type)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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


Propagate first input to output



Documentation
#############
Propagate first input to output.

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

Definition
##########
*Input ports*:
    :item1: <a>

        The Item to be propagated
    :item2: <a>

        Item that will not be propagated

*Output ports*:
    :item: <a>

        Propagated Item



.. automodule:: node_list_operations

.. class:: PropagateFirstSame






Example flows
#############

* :download:`Propagate.syx </_examples/Sympathy/Generic/List/Propagate.syx>`