jsonOpen

<!-- Setting a static JSON text -->
<arc:set attr="json.text" value='{"hello": "world","settings": {"foo": "bar"}}' />
<arc:call op="jsonOpen" in="json" out="output" >
  <!-- Setting the json handle as an attribute on a new item that is passed into a second operation  -->
  <arc:set attr="json2.handle" value="[output.handle]" />
  <arc:set attr="json2.map:value1" value="/json/settings/foo" />
  <arc:call op="jsonDOMGet" in="json2" out="output2" >
    <!-- Here is where you can execute additional script for the operation that is using the handle -->
    <!-- This example logs the value of the foo setting from the json text to the application log, which is "bar" -->
    <arc:set attr="_log.info" value="[output2.value1]" />
  </arc:call>
  <arc:finally>
    <!-- Close the json handle -->
    <arc:call op="jsonClose" in="json2" />
  </arc:finally>
</arc:call>