Joseph Percivall created NIFI-1927:
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Summary: Improve documentation of property's ability to use
Expression Languages
Key: NIFI-1927
URL: https://issues.apache.org/jira/browse/NIFI-1927
Project: Apache NiFi
Issue Type: Improvement
Reporter: Joseph Percivall
Currently in the documentation for properties there is a simple true/false on
whether or not Expression Language(EL) is supported for that property. This
trivializes the extent of EL and for some hides some functionality. There are
multiple different options when deciding to evaluate EL, the most relevant to
the user are: whether or not a FlowFile is used and if there are any extra
key/value pairs exposed.
The documentation should be explicit so that the user knows what will get
evaluated and what is exposed.
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