docs/yamlpages/version.rst
.. _yaml_version_head:
Version Header for YAML Files
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The ``version`` header is an **optional** section where we define the language specification version of our YAML files.
The header provides a means to ensure that your YAML file will be supported by the version of YANK you are running on.
.. code-block:: yaml
version: 1.2
Valid Options: [1.0, 1.1, 1.2]