@ravi_shankerj14
In the multifield cq:dialog values are stored in node format and not in String [].
<nav
sling:resourceType="granite/ui/components/coral/foundation/form/multifield"
fieldLabel="Links"
jcr:primaryType="nt:unstructured"
composite="{Boolean}true">
<field sling:resourceType="granite/ui/components/coral/foundation/container"
jcr:primaryType="nt:unstructured"
name="./multifieldProperties">
<items jcr:primaryType="nt:unstructured">
<linkText
sling:resourceType="granite/ui/components/coral/foundation/form/textfield"
fieldLabel="Link Text"
jcr:primaryType="nt:unstructured"
name="./linkText" />
</items>
</field>
</nav>