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From "Matt Gilman (JIRA)" <>
Subject [jira] [Commented] (NIFI-218) Create Expression Language Guide
Date Fri, 02 Jan 2015 13:54:13 GMT


Matt Gilman commented on NIFI-218:

Mark - 

I did a little digging today and we can add the tooltip documentation to the EL autocomplete.
I don't recall seeing this capability previously so I either missed it, or it was added in
a newer version that we just upgraded to. Anyways... woohoo! Now we just need to figure out
how to get the content. 

I can certainly load the expression language guide (simple Ajax request) and scrape all functions
and their documentation from it. However, if we take this approach we need to ensure the guide
that is auto-generated is done so in a manner that doesn't make this unnecessarily difficult.
Let's chat about this more on Monday... may be an easy win.

> Create Expression Language Guide
> --------------------------------
>                 Key: NIFI-218
>                 URL:
>             Project: Apache NiFi
>          Issue Type: Task
>          Components: Core UI, Documentation & Website
>    Affects Versions: 0.0.1
>            Reporter: Mark Payne
>             Fix For: 0.0.1
> We need a guide to explain what the Expression Language is, how to use it, when to use
it, and what the different functions are and do.
> This also needs to be integrated into the UI's help page.

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