[GitHub] [nifi] timeabarna commented on a change in pull request #5673: NIFI-9587 Add json output for Prometheus metrics

[GitBox <gi...@apache.org>]

timeabarna commented on a change in pull request #5673:
URL: https://github.com/apache/nifi/pull/5673#discussion_r788399775



##########
File path: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/FlowResource.java
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@@ -428,7 +429,11 @@ public Response getFlowMetrics(
             @ApiParam(
                     value = "Regular Expression Pattern to be applied against the sample label value field"
             )
-            @QueryParam("sampleLabelValue") final String sampleLabelValue
+            @QueryParam("sampleLabelValue") final String sampleLabelValue,
+            @ApiParam(
+                    value = "Name of the first field of JSON object. Applicable for JSON producer only."
+            )
+            @QueryParam("firstFieldName") final String firstFieldName

Review comment:
       Renamed it to rootFieldName.




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