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https://issues.apache.org/jira/browse/NIFI-2523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17681486#comment-17681486
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Josh McCullough commented on NIFI-2523:
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New Nifi user here. I just deleted everything in my first process group --
30-40 processors and connections! I am heartbroken to find that there is no way
to undo this, now I have to start all over because I accidentally hit delete
while I was grouping things into a new process group. Please, at least can you
add a confirmation modal when deleting multiple items?
> Add an "Undo" to the User Interface
> -----------------------------------
>
> Key: NIFI-2523
> URL: https://issues.apache.org/jira/browse/NIFI-2523
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework, Core UI
> Reporter: Alexander Kell
> Priority: Major
> Labels: usability
>
> I am not sure whether this feature has been forgotten ...
> As a NiFi user, I'd like to be able to quickly undo an action, or series of
> actions, in case I accidentally delete or move one or more processors while
> editing them.
> This feature is nessesary to work with nifi alot more effectivly
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