Attention! For Contao 4 you do not need this bundle anymore. Please install new bundle versions of con4gis.
With this bundle you can use all con4gis 3.5.x extensions with Contao >= 4.2.x
Add route to symfony
Before you can start using the the con4gis extensions, please be sure you've added the new route to app/config/routing.yml You have to add the new route before the contao routes.
Con4gisApiBundle: resource: "@Con4gisApiBundle/Resources/config/routing.yml" ContaoInstallationBundle: resource: "@ContaoInstallationBundle/Resources/config/routing.yml" ContaoCoreBundle: resource: "@ContaoCoreBundle/Resources/config/routing.yml"