Multfield 6.5 compatible example

gistfile1.txt

<attrMap
      jcr:primaryType="nt:unstructured"
      sling:resourceType="granite/ui/components/coral/foundation/form/multifield"
      composite="{Boolean}true"
      fieldDescription="x"
      fieldLabel="Attribute Map">
  <field
          jcr:primaryType="nt:unstructured"
          sling:resourceType="granite/ui/components/coral/foundation/container"
          name="./attrMap">
      <items jcr:primaryType="nt:unstructured">
          <option
                  jcr:primaryType="nt:unstructured"
                  sling:resourceType="granite/ui/components/coral/foundation/container">
              <items jcr:primaryType="nt:unstructured">
                  <selected
                          jcr:primaryType="nt:unstructured"
                          sling:resourceType="granite/ui/components/coral/foundation/form/checkbox"
                          name="./selected"
                          text="Selected"
                          uncheckedValue="false"
                          value="{Boolean}true"/>
                  <disabled
                          jcr:primaryType="nt:unstructured"
                          sling:resourceType="granite/ui/components/coral/foundation/form/checkbox"
                          name="./disabled"
                          text="Disabled"
                          value="{Boolean}true"/>
                  <value
                          jcr:primaryType="nt:unstructured"
                          sling:resourceType="granite/ui/components/coral/foundation/form/textfield"
                          fieldLabel="Value"
                          name="./value"/>
                  <text
                          jcr:primaryType="nt:unstructured"
                          sling:resourceType="granite/ui/components/coral/foundation/form/textfield"
                          fieldLabel="Text"
                          name="./text"/>
              </items>
          </option>
      </items>
  </field>
</attrMap>