core/Fields/Definitions/templates/checkboxgroup/default.twig
{% extends Form.getLayout() %}
{% block fieldmarkup %}
{% for o in Field.getArg('options', __return_empty_array() ) %}
{% if (o.value and o.label) %}
<div class='kb-checkboxgroup-item'>
<label>
<input type='checkbox' id='{{ Form.getInputFieldId(true) }}' name='{{ Form.getFieldName(true) }}'
value='{{ o.value }}'
{% if o.value in value %} checked="checked" {% endif %} />{{ o.label }}
</label>
</div>
{% else %}
<p>invalid item</p>
{% endif %}
{% endfor %}
{% endblock %}