cyberomulus/sitemap-generator-bundle

config/packages/cyberomulus_site_map_generator.yaml

cyberomulus_site_map_generator:
    defaults_values:
        # Set the defaults values on url entries (false by default)
        url:
            # true for set a datetime at now if is null
            last_modification_now:         true

config/routes/cyberomulus_site_map_generator.yaml

cyberomulus_sitemapgenerator:
    resource: '@CyberomulusSiteMapGeneratorBundle/Resources/config/routes.xml'