.. _`Propagate First Input`:

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

Propagate First Input
`````````````````````

.. 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.


Definition
::::::::::


Input ports
...........

    **item1**
        | Type: <a>
        | Description: The Item to be propagated
    **item2**
        | Type: <b>
        | Description: Item that will not be propagated
        | Optional number of ports: 0--inf (default: 1)
        

Output ports
............

    **item**
        | Type: <a>
        | Description: Propagated Item









Examples
........



Example flows demonstrating this node:

* :download:`Propagate.syx </Examples/Sympathy for Data/Generic/List/Propagate.syx>`




The node can be found in:

* :download:`UpdateExcelReport.syx </Examples/Sympathy for Data/InputOutputGenerate/UpdateExcelReport.syx>`




Implementation
..............

.. automodule:: node_list_operations
    :noindex:

.. class:: PropagateFirst
    :noindex: