data-type="tags"
data-options="{"maxItems":5,"form":"form_question","id":"form_question-tags","field":"tags","nonce":"f35b87da26","create":true,"labelAdd":"Add"}" class="ap-tags-input" autocomplete="off" aptagfield name="form_question[tags]" value="" />
Tagging will helps others to easily find your question. Minimum 1 and maximum 5 tags.