title: problem while using RouteOnAttribute (cannot read json attribute and always sends flow to unmatch)
body: <p>while using <code>RouteOnAttribute</code> nifi processor , i have input of <code>json</code> data</p>
  <p><code>[{&quot;dev&quot;:&quot;xyz&quot;,&quot;detail&quot;:&quot;abc&quot;}]</code> which i got from convertRecord processor</p>
  <p>Routing Strategy :Route to Property name</p>
  <p>ifmatch: <code>${dev:equals( &quot;xyz&quot; )}</code></p>
  <p>I tried  <code>${dev:matches( &quot;xyz&quot;)}</code> in both single quotes and double quotes still am not getting flowfile redirecting towards &quot;ifmatch&quot; . its redirecting to unmatched</p>
  <p>is there anyway to resolve this  i tried many other option</p>