firefly-iii/resources/views/form/multiCheckbox.twig

<div class="{{ classes }}" id="{{ name }}_holder">
    <label for="{{ options.id }}" class="col-sm-4 control-label">{{ label }}</label>

    <div class="col-sm-8">
        {% for value,description in list %}
            {% set options = options|merge({'id': 'ffInput_'~name~'_'~value}) %}
            <div class="checkbox">
                <label>
                    {% if value in selected %}
                        {{ Form.checkbox(name~'[]', value, true, options) }}
                    {% else %}
                        {{ Form.checkbox(name~'[]', value, false, options) }}
                    {% endif %}
                    {{ description }}
                </label>
            </div>
        {% endfor %}
        {% include 'form/help' %}
        {% include 'form/feedback' %}

    </div>
</div>