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https://issues.apache.org/jira/browse/NIFI-907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737175#comment-14737175
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Matt Gilman commented on NIFI-907:
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I applied your patch and rebuilt the application. Then I viewed the help
section and went to the expression language guide. In the expression language
guide I clicked on the link to the developer guide that was added. The link
didn't work. So I looked at the developer guide and it looks like the target
was suppose to be flowfile. I updated it, rebuilt, and it seems to work as
expected now.
> The expression language guide should talk about standard flowfile attributes
> ----------------------------------------------------------------------------
>
> Key: NIFI-907
> URL: https://issues.apache.org/jira/browse/NIFI-907
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Documentation & Website
> Reporter: Joseph Witt
> Labels: beginner
> Fix For: 0.4.0
>
> Attachments: NIFI-907.patch
>
>
> The expression language should include a paragraph talking about standard
> flowfile attributes. There really are very few besides say filename, path,
> uuid. But these should be talked about. And the fact that this is about it
> is also good to point out. It would also be be beneficial to describe how a
> user can see what attributes were on a flowfile at a given point in the flow
> to aid the user in debugging and truly understanding the flow.
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