https://community.cloudera.com/t5/Support-Questions/How-to-load-attributes-from-json/m-p/215068#M176980 <P>Hi <A rel="user" href="https://community.cloudera.com/users/44190/tthomas.html" nodeid="44190">@tthomas</A></P><P>You can use EvaluateJsonPath to extract a JSON field and add it as a flow file attribute : <A href="https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.6.0/org.apache.nifi.processors.standard.EvaluateJsonPath/index.html" target="_blank">https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.6.0/org.apache.nifi.processors.standard.EvaluateJsonPath/index.html</A></P><P>If your JSON is the following and you want to add a flow file attribute called timestamp</P><PRE>{ “created_at” : “Thu Sep 28 08:08:09 CEST 2017”, “id_store” : 4, “event_type” : “store capacity”, “id_transaction” : “1009331737896598289”, “id_product” : 889, “value_product” : 45 }</PRE><P>you can add an EvaluateJsonPath and add an attribute timestamp with the value $.created_at</P> Tue, 05 Jun 2018 00:56:49 GMT ahadjidj 2018-06-05T00:56:49Z