<div class="form-group">
    <div class="checkbox">
        <label class="control-label">
            <input type="checkbox" name="{{ key }}" value="true" {{ get_attrs(schema) }}>
            {{ schema.title or key }}
            {% if required %}
                <span class="text-danger">*</span>
            {% endif %}
        </label>
    </div>
    {% if schema.description %}
        <span class="help-block">{{ schema.description }}</span>
    {% endif %}
</div>