.. index:: 
  !Extension.get Method
  
.. _id3_bioseal_extension_get_class_method:

===============================================================================
Extension.get Method
===============================================================================

Module: :ref:`Extension<id3_bioseal_extension_class>`

Definition
----------

Gets an item of the Extension object.


.. code:: Dart

    String get(String? key)

**Parameters**

.. line-block::

    ``key`` String
    :guilabel:`in` Unique key of the  item to get.


**Returns**

.. line-block::

    ``String``
     item to get.

**Exceptions**

.. line-block::

    :ref:`BiosealException<id3_bioseal_bioseal_exception>`
    An error has occurred during Bioseal Library execution.



