Sylius\Bundle\GridBundle\DependencyInjection\Compiler\RegisterFieldTypesPass::process PHP Method

    public function process(ContainerBuilder $container)
    {
        if (!$container->hasDefinition('sylius.registry.grid_field')) {
            return;
        }
        $registry = $container->getDefinition('sylius.registry.grid_field');
        foreach ($container->findTaggedServiceIds('sylius.grid_field') as $id => $attributes) {
            if (!isset($attributes[0]['type'])) {
                throw new \InvalidArgumentException('Tagged grid fields needs to have `type` attribute.');
            }
            $registry->addMethodCall('register', [$attributes[0]['type'], new Reference($id)]);
        }
    }