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How to update a custom field of another issue by getting the issue from Custom field


I have 2 Projects. Project A and Project B.  Project B has a Custom Field called "ProjectA- Key" The Key of Project A that relates to project B is copied into the "ProjectA-Key" field. 

I have another field called "Change Request"

I will like to write a listener script that copies the Change Request field on Project B to Project A when an update event happens in Project B by looking up the Key entered in the "ProjectA-Key" field to get the Project A issue to be updated with the value from Project B



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Peter-Dave Sheehan
Community Leader
Community Leader
Community Leaders are connectors, ambassadors, and mentors. On the online community, they serve as thought leaders, product experts, and moderators.
Jun 25, 2022

It would help to know the type of each of those custom fields and see more concrete examples.

Also, does ProjectA-Key contain a project key? Or does it contain an issue key that happens to belong to Project A?

But something like this should put you on the right track:

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.Issue

def issueService = ComponentAccessor.issueService
def issue = event.issue as Issue
def currentUser = ComponentAccessor.jiraAuthenticationContext.loggedInUser

def projectAKeyCf = ComponentAccessor.customFieldManager.getCustomFieldObjectsByName('ProjectA-Key')[0]
def changeRequestCf = ComponentAccessor.customFieldManager.getCustomFieldObjectsByName('Change Request')[0]
def projectAKey = issue.getCustomFieldValue(projectAKeyCf)
def changeRequest = issue.getCustomFieldValue(changeRequestCf)

def projectAIssue = ComponentAccessor.issueManager.getIssueObject(projectAKey as String)

def iip = issueService.newIssueInputParameters()
iip.addCustomFieldValue(, changeRequest as String)
def validationResult = issueService.validateUpdate(currentUser,, iip)
assert validationResult.valid, validationResult.errorCollection
def updateResult = issueService.update(currentUser, validationResult)
assert updateResult.valid, updateResult.errorCollection

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