Craft\NeoPlugin::addTwigExtension PHP Method

addTwigExtension() public method

It adds a way to test if some value is an instance of Neo_BlockModel in your templates. This is useful when using Twig variables in field settings.
See also: https://github.com/benjamminf/craft-neo/wiki/6.-FAQ#why-do-asset-fields-with-slug-as-an-upload-location-break-on-neo-blocks
public addTwigExtension ( ) : NeoTwigExtension
return NeoTwigExtension
    public function addTwigExtension()
    {
        Craft::import('plugins.neo.twigextensions.NeoTwigExtension');
        return new NeoTwigExtension();
    }