link via the linkgenerator: {{ link('register', test_url) }}

link via the linkgenerator: {{ link('register', test_url, {'foo': 'bar'}) }}

link via the linkgenerator: {{ link('register', test_url_attribute, {'id': 'kitten'}) }}

link via the linkgenerator: {{ link('register', 'route:user.register', {'id': 'kitten'}) }}

link via the linkgenerator: {{ link('register', 'route:user.register', attributes) }}

{% set title %}register{% endset %}

link via the linkgenerator: {{ link(title, test_url) }}

{% set title %}register{% endset %}

link via the linkgenerator: {{ link(title, test_url) }}

link via the linkgenerator: {{ link('register', test_url_attribute) }} {{ link('register', test_url_attribute) }}