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Excerpt

A workflow condition that hides/shows a transition based on the result of Jira expression. 

The transition to which the condition is added will be available only if the Jira expression returns true. This can be used to test or compare issue fields, to test linked issues, to check for open Sprints, etc.

To add the 'Build-your-own (scripted) Condition' to a transition:

  1. Click Edit for the workflow that has the transition you wish to configure the condition on.

  2. In the Workflow Designer, select the transition.

  3. Click on Conditions in the properties panel.

  4. Click on Add condition.

  5. Select Build-your-own (scripted) Condition from the list of conditions.

  6. Click on Add to add the condition on the transition.

  7. Input a Jira expression in the Jira expression field.

  8. For information on how to write a 'Jira expression' see How to insert information using Jira expressions.

  9. Click on Add to add the condition to the transition.

Info

When you add this condition to a transition, the add-on checks the result of the Jira expression. If the expression returns true, the transition will be available to the user, and if it returns false or a non-boolean value, the transition will be hidden.

Use case

A typical use of this workflow condition is to hide the transition when a field of the issue has a specific value or the current user belongs to a specific group.

Consider a use case where you want to show the “Approve” transition only when the current user is in the “Approvers” field. To configure this:

  1. Add the “Build-your-own (scripted) condition” to the “Approve” transition

  2. Input the following code under “Jira Expression”

    Code Block
    !! issue.customfield_10002 && issue.customfield_10002.some(it => it == user)

Note it is suggested to use the “Issue Fields” tab of the Jira expression editor, select the field from the list and the Jira expressions editor help system shows examples on accessing and testing the field value.

See https://innovalog.atlassian.net/wiki/x/GIDmOw for more uses cases for this condition.

Note

Avoid Jira expressions errors

When a Jira expression throws an error, Jira considers the result as false, and hence the workflow condition fails. The best way to avoid errors in your Jira expressions is to test your Jira expressions against an issue using the "Jira expression tester" before saving the condition. Here are typical problems you need to look out for:

null values: If your Jira expression returns null it is considered a non-boolean value and hence Jira returns an error. For example, to check that the issue is assigned if you provide the Jira expression as:

Code Block
issue.assignee

when tested against an issue that is unassigned the expression returns null. In such cases, the easiest is to use two logical not operators (!!) to return true if the issue is assigned ( ! issue.assignee returns false hence !! issue.assignee will return true when the issue is assigned).

Code Block
!! issue.assignee
You can also write a Jira expression to check that the result is not null like

this

:
Code Block
issue.assignee != null
If your Jira expression accesses properties of an object that is null, then your Jira expression and thereby your workflow

condition

fails with an error

.

For example, to check that the issue's parent is a Story if you provide the Jira expression:
Code Block
issue.parent.issuetype.name == "Story"

when tested against an issue without a parent, the Jira expression will return an error "Type null does not have any properties". To handle this you should include an expression to test that the issue has a parent.

Code Block!! issue.parent && issue.parent.issuetype.name == "Story"