Help with creating a ScriptRunner listener to catch field change info

Hello - I need to create a ScriptRunner listener.  In there, whenever there's an update to the JIRA issue, to the FixVersion field, then I will then trigger some action.  I need a Groovy sample code to detect what was changed in this FixVersion field (i.e. old value, new value) in order to perform some action.  Thanks.

1 answer

Hi, Gil!

You can get the new and old values from the list of changeItems like so:

def change = changeItems.find {
 it['field']=='fixVersions'
}
def newValue = change['newvalue']
def oldValue = change['oldvalue']

That should work in the condition on a listener (like Send Custom Email).

You can then use those values for whatever comparisons you need to do.

Thank you Jonny for the tip.  Can you please provide some more details on this?  Example, how to get the changeItems instance, how it tied to the issue object, etc.  Thanks.

No problem. So, if you're listening on an issue event, the changeItems should be injected automatically.

You can get them manually from an IssueEvent object like this:

event?.getChangeLog()?.getRelated("ChildChangeItem")

You can also get them from an issue object using the ChangeHistoryManager, as detailed in the Total TIme In Progress sample Scripted FIeld in the docs. 

import com.atlassian.jira.component.ComponentAccessor

def changeHistoryManager = ComponentAccessor.getChangeHistoryManager()
def changeItems = changeHistoryManager.getChangeItemsForField(issue, "status")

Does that help?

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