cmsmon/frontend/components/formly/select.html

<selectize
        config="{
            plugins: ['remove_button'],
            dropdownParent: 'body',
            valueField: 'value',
            labelField: 'name',
            searchField: ['name'],
            maxItems:to.multiple ? 50:1
        }" options='to.options' ng-model="model[options.key]"></selectize>