InputTag used to create input element in informationSet. Check below example:
<field name="title">
<title>Title</title>
<type>inputTag</type>
<searchable>Yes</searchable>
<hints />
<validation>
<rule>
<type>notEmpty</type>
<err-message>Field can not left empty</err-message>
</rule>
</validation>
<parameters />
<db-attribute>
<attribute name="type">varchar</attribute>
<attribute name="length">150</attribute>
<attribute name="null"></attribute>
<attribute name="default"></attribute>
</db-attribute>
<tag-attributes>
<attribute name="id">title</attribute>
<attribute name="class">app_input</attribute>
</tag-attributes>
</field>