Github user apiri commented on a diff in the pull request:
https://github.com/apache/nifi/pull/90#discussion_r40137272
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/LogAttribute.java
---
@@ -79,6 +81,14 @@
.allowableValues("true", "false")
.build();
+ public static final PropertyDescriptor LOG_PREFIX = new
PropertyDescriptor.Builder()
+ .name("Log prefix")
+ .required(false)
+ .description("Log prefix appended to the log lines. It helps
to distinguish the output of multiple LogAttribute processors.")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .expressionLanguageSupported(true)
--- End diff --
This is good to note that the property supports EL (this is the indicator
via the UI)
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