js/src/templates/fields/Checkbox.hbs
<div class="kb-field kb-js-field field-api-checkbox kb-field--checkbox">
<label class="heading">{{ model.label }}
<input type="checkbox"{{#ifCond model.value '==' true }}checked="checked"{{/ifCond}}
name="{{ fieldName model.baseId model.index model.primeKey }}">
</label>
<p class="description">{{ model.description }}</p>
</div>