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https://issues.apache.org/jira/browse/NIFI-8666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17363645#comment-17363645
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ASF subversion and git services commented on NIFI-8666:
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Commit 96a8b2d090441ff4ed184b39d40cb316159d24d3 in nifi's branch
refs/heads/main from markap14
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=96a8b2d ]
NIFI-8666: Allow users to escape parameter names in Expression Language using
quotes. (#5133)
> Parameters cannot be referenced from Expression Language if they have a space
> in the name
> -----------------------------------------------------------------------------------------
>
> Key: NIFI-8666
> URL: https://issues.apache.org/jira/browse/NIFI-8666
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.14.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Parameter names are allowed to have spaces in them, but any parameter with a
> space cannot be referenced from within Expression Language. For example, we
> cannot use:
> ${#{My Parameter}:toUpper()} or ${ #{'My Parameter'}:toUpper()}
> We should be able to reference the parameter using the single ticks in order
> to quote the parameter name.
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