app/bundles/ApiBundle/Resources/views/Client/form.html.twig

{% extends '@MauticCore/Default/content.html.twig' %}
{% block mauticContent %}client{% endblock %}
{% set id = form.vars.data.getId() %}
{% if id is empty %}
    {% set header = 'mautic.api.client.header.edit'|trans({'%name%' : form.vars.data.getName()}) %}
{% else %}
    {% set header = 'mautic.api.client.header.new'|trans %}
{% endif %}
{% block headerTitle %}{{ header }}{% endblock %}
{% block content %}
<div class="col-sm-9 pt-lg">
    <div class="row">
        <div class="col-xs-12">
            {{ form(form) }}
        </div>
    </div>
</div>
{% endblock %}