[jira] [Created] (NIFI-6346) UI - Allow paramter reference within EL

["Matt Gilman (JIRA)" <ji...@apache.org>]

Matt Gilman created NIFI-6346:
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             Summary: UI - Allow paramter reference within EL
                 Key: NIFI-6346
                 URL: https://issues.apache.org/jira/browse/NIFI-6346
             Project: Apache NiFi
          Issue Type: Sub-task
          Components: Core UI
            Reporter: Matt Gilman
            Assignee: Matt Gilman


Need to update `nfel` to support referencing parameters within expression language. A parameter reference should be allowed outside of an expression, as a subject to an expression, or as a parameter to a function in an expression.

${#{abc}:toUpper()}
#{abc}${attr:toUpper()}
${attr:contains(#{abc})}



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