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This section has use cases which help you in understand the usage of Validators provided by JMWE.

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This validator can be used to block the user from progressing to a destination status unless a field has been modified.

Sample use cases:

(lightbulb) Validate the change in Resolution provided when closing an issue

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titleSteps
  • Add the Field has been modified validator to the Close transition.

  • Select Resolution from Field.

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This validator can be used to ensure that a field has a value during a transition.

Sample use cases:

(lightbulb) Validate the Affects Version/s and Assignee fields for a non-empty value on creating a Bug.

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titleSteps
  • Add the Field is required validator to the Create transition.

  • Select Affects Version/s and Assignee from Fields.

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This validator can be used to force the users to enter a comment while transitioning to destination status.

Sample use cases:

(lightbulb) Validate that a comment is entered when rejecting a Bug fix.

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titleSteps
  • Add the Comment required validator to the Reject transition of the Bug workflow.

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This validator can be used to check that a multi-valued field does not have more than one value during a transition.

Sample use cases:

(lightbulb) Validate the Fix Version/s for a single value on an issue when the issue is fixed.

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titleSteps
  • Add the Field has single value validator to the Close transition.

  • Select Fix Version/s from Field.

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This validator can be used to stop the user from transitioning to a status unless the issue has previously been in a specified status in the workflow.

Sample use cases:

(lightbulb) Block the transition of an issue to Close status if it has not been approved.

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titleSteps
  • Add the Previous status validator to the Close transition.

  • Select Approved from Previous Status

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This validator can be used to stop the user from transitioning to a status unless the issue's parent has been in a selected status in the workflow.

Sample use cases:

(lightbulb) Block the trigger of "Start Progress" on subtasks until its parent is approved.

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titleSteps
  • Add the Parent status validator to the Start Progress transition.

  • Select Approved from Parent Status

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This validator can be used to perform a validation with a groovy expression. Based on the result of the expression, the user is either allowed or blocked to transition to the destination status.

Sample use cases:

(lightbulb) Block the creation of a Bug if no Attachment is provided.

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titleSteps
  • Add the Scripted (Groovy) validator to the Create transition.

  • Write the following in the Groovy script

    Code Block
    languagegroovy
    try {
      return issue.get("issuetype").name != "Bug" && issue.getModifiedFields()?.get("attachment")?.getNewValue()?.size() > 0
    } catch (Exception e) {
      return false
    }

(lightbulb) Validate the Cascade select for values in parent and child select dropdowns

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titleSteps
  • Add the Scripted (Groovy) validator to the transition.

  • Write the following in the Groovy script

    Code Block
    languagegroovy
     issue.get("Cascade")?.get(null) != null && issue.get("Cascade")?.get("1") != null

(lightbulb) Block the approving of the Change request if it has no confluence page linked

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titleSteps
  • Add the Scripted (Groovy) validator to the Approve transition.

  • Write this content in the Groovy script.

    Code Block
    issue.getRemoteLinks("confluence").size() > 0

  • Type the error message in Error message, to display if the validation script returns false

(lightbulb) Block the approval of an issue if there is no PDF attached either from before or added during the transition

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titleSteps
  • Add the Scripted (Groovy) validator to the Approve transition.

  • Write this content in the Groovy script.

    Code Block
    import com.atlassian.jira.issue.IssueFieldConstants
    import com.atlassian.jira.issue.attachment.Attachment
    import com.atlassian.jira.issue.attachment.TemporaryWebAttachment
    import com.atlassian.jira.issue.attachment.TemporaryWebAttachmentManager
    
    if (issue.get("attachment").any{it.filename.endsWith(".pdf")}) 
      return true;
    
    TemporaryWebAttachmentManager attachmentManager = getComponent(TemporaryWebAttachmentManager)
    try {
        List<Long> ids = issue.getModifiedFields().get(IssueFieldConstants.ATTACHMENT).getNewValue();
        if (ids)
            return ids.any { id ->
                def attachment = attachmentManager.getTemporaryWebAttachment(id).getOrNull()
                return attachment?.filename?.endsWith(".pdf")
            }
    } catch (Exception e) {
    }
    return false


  • Type the error message in Error message, to display if the validation script returns false

Related Issues Status validator

This validator ensures that the current issue's related issues (such as linked issues, Stories of an Epic, Epic of a Story, subtasks of an issue, issues returned by a Groovy script or a JQL search, etc.) are in one of the specified statuses.

Sample use cases:

(lightbulb) Block the transition of the Epic to Closed status, if its stories aren't closed.

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Related Issue(s) validator

This validator ensures that a link to one (or more) issue(s) from the current issue is being created during the transition, and/or that existing and/or newly related issues (such as linked issues, Stories of an Epic, Epic of a Story, subtasks of an issue, issues returned by a Groovy script or a JQL search, etc.) have certain characteristics.

Sample use cases:

(lightbulb) Block the creation of a Bug, if it is not linked to the corresponding functionality requirement.

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titleSteps
  • Add the Related issue validator to the Create transition.

  • Select the Issues linked to the current issue through the following link type from the Issue Link Type field.

  • Select the issue link type relates to from the Issue Link Type field.

  • Add the error message, "Associate/Link the Bug to the respective requirement ticket"