https://community.cloudera.com/t5/Support-Questions/Check-Array-or-Object-in-JSON/m-p/201463#M163477 <P>I assume this is being done in Nifi? (I would add the Apache-Nifi tag if so)</P><P>If you know the structure of the JSON object that you will be receiving, you can use an evaluateJSONPath processor to pull the JSON key's value into a flowfile attribute. Then an updateAttribute processor where you use Nifi expression language's 'equals' to determine if the value is as you expected.</P><P><A href="https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#equals" target="_blank">https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#equals</A></P><P>The output of updateAttribute will be true or false and you can pass that to your routeOnAttribute processor.</P><P><A href="https://community.cloudera.com/legacyfs/online/attachments/85458-example.jpg">example.jpg</A></P><P>I hope this helps or gives you some ideas!</P> Wed, 01 Aug 2018 04:34:56 GMT nlewis135031 2018-08-01T04:34:56Z