If the callback isstored in a different class and is static, for example ``AppBundle\Entity\Genre``,

If the callback isdefined in a different class and is static, for example ``AppBundle\Entity\Genre``,

you can pass the class name and the method as an array.

..configuration-block::

Supplying the Choices from an Array Constant

You can also directly provide an array constant to the ``choices`` option in the annotation::

..warning::

Notice that the constant in the option is used without quotes

..note::

If the constant is stored in a different class, you can pass the fully qualified class name

of the class or import this class by adding it to the "use" list.

Available Options