src/views/models/fields/_has_many.blade.php
<div class="form-group {{ $errors->has($field->getName()) ? 'has-error' : '' }}">
<label class="col-sm-3 control-label">{{ $field->getLabel() }}</label>
<div class="col-sm-9">
{{ Form::select($field->getName() . '[]', $items, $values, $field->getAttributes()) }}
@if ($field->getDescription())
<p class="help-block">{{ $field->getDescription() }}</p>
@endif
</div>
</div>