AppendDatasets
--------------

Combines datasets by concatenation for datasets with the same or overlapping variables.  


Properties
~~~~~~~~~~

.. csv-table::
   :header: "Name","Type","","Description"
   :widths: 15,10,5,100

   "AppendFiles",":doc:`/composite-types/AppendFileDescription/index`","1..n","Description of files to be appended"
   "AppendFlagVariable","`string <https://cogsdata.org/docs/modeler-guide/primitive-types/#string>`_","0..1","Creates a new variable identifying the source dataframe for a row with the variable name given in the value of the property"

Properties Inherited from TransformBase
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. csv-table::
   :header: "Name","Type","","Description"
   :widths: 15,10,5,100

   "ProducesDataframe",":doc:`/composite-types/DataframeDescription/index`","0..n","Signify the dataframe which this transform produces."
   "ConsumesDataframe",":doc:`/composite-types/DataframeDescription/index`","0..n","Signify the dataframe which this transform acts upon."

Properties Inherited from CommandBase
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. csv-table::
   :header: "Name","Type","","Description"
   :widths: 15,10,5,100

   "Command","`string <https://cogsdata.org/docs/modeler-guide/primitive-types/#string>`_","1..1","The type of command"
   "SourceInformation",":doc:`/composite-types/SourceInformation/index`","0..n","Information about the source of the command."
   "MessageText","`string <https://cogsdata.org/docs/modeler-guide/primitive-types/#string>`_","0..n","Adds a message that can be displayed with the command."


Item Type Hierarchy
~~~~~~~~~~~~~~~~~~~

* :doc:`/composite-types/CommandBase/index`
    * :doc:`/composite-types/TransformBase/index`
        * **AppendDatasets**


Relationships
~~~~~~~~~~~~~
The following identified item types reference this type.

.. container:: image

   |stub|

.. |stub| image:: ../../images/AppendDatasets.svg