<form method="POST" action="{{ path('check_domain') }}"> <div class="input-group"> <input placeholder="{{ 'entreprise.enter_domain_name' | trans }}" value="{{ domain }}" id="domainAvailability" name="domain" type="text" class="form-control "/> <div class="input-group-append"> <button class="btn btn-search" type="submit">{{ 'entreprise.search' | trans }}</button> </div> </div> </form>