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https://issues.apache.org/jira/browse/NIFI-907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14735148#comment-14735148
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Joseph Percivall commented on NIFI-907:
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Starting to work on this.
[~joewitt] Should the standard attributes be documented in the expression
language guide or in the developer's guide under "FlowFile"[1]? Either way I
plan to have a link to point one to the other.
I'm more or less just going to take the attributes and comments listed in
CoreAttributes.java[2] and add it to the guide. Also I will add that by default
the only attributes that typically exist are filename, path and uuid.
[1] https://nifi.apache.org/developer-guide.html#flow
[2]
https://git-wip-us.apache.org/repos/asf?p=nifi.git;a=blob;f=nifi-commons/nifi-utils/src/main/java/org/apache/nifi/flowfile/attributes/CoreAttributes.java;h=9b4c3af4b702ce0fdc176375bcce261f739533e2;hb=HEAD
> 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
>
>
> 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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