.. _missing-type-doc:

missing-type-doc / W9016
========================

**Message emitted:**

``"%s" missing in parameter type documentation``

**Description:**

*Please add parameter type declarations for all parameters.*

**Problematic code:**

.. literalinclude:: /data/messages/m/missing-type-doc/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/m/missing-type-doc/good.py
   :language: python

**Configuration file:**

.. literalinclude:: /data/messages/m/missing-type-doc/pylintrc
    :language: ini





.. note::
  This message is emitted by the optional :ref:`'parameter_documentation'<pylint.extensions.docparams>`
  checker, which requires the ``pylint.extensions.docparams`` plugin to be loaded.

Created by the `parameter_documentation <https://github.com/pylint-dev/pylint/blob/main/pylint/extensions/docparams.py>`__ checker.