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JSU for Jira Cloud

This is the documentation of JSU for Jira Cloud. If you are using JSU on Jira Server or on Jira Data Center, you can find the documentation here.


In JSU for Jira Cloud there is no  "Clear Field Value" post-function. But It can be achieved using "Copy Value From Other Field" post function. It clears the value of a specified field, after a transition has been completed.


You must specify the source field as "***empty***" and destination field which needs to be cleared. For example:

For information on how to configure a post-function in Jira, see the Jira documentation.

Issue Relation

Several of JSU's workflow modules provide the option to define the scope of the module on some related issues.

For example, instead of copying a field within an issue during a post function, you might choose to copy it to a sub-task.

Types of Issue Relations

Related issues are identified by one of the following Jira concepts:

  • Issue Link: You can define the link type to define which issues exactly will be affected by the operation.
    If the link type is ANY, the operation will be performed on any linked issues.

  • Parent / Sub-Task:The related issue is either parent or sub-task of each other.

  • Epic / Issue in Epic: This is only applicable if you have Jira Software installed. The other issue is either the epic related by an epic link, or it is part of an epic.

  • JQL: A JQL query will be executed to find the issues, which will be affected by the post function. You can use some placeholders in the JQL query, which will be replaced with the current field values of the issue in transition. For tips on writing the JQL query, see JQL Reference or our JQL Use Cases for some examples.

Issue in Transition

We use the term 'Issue in Transition' when we refer to the issue for which a workflow condition is checked, for which a workflow validator is examined, or for which a workflow post function is performed; in other words, that issue triggered a workflow condition/validator/post function to be executed.

Source and Destination

For example, the Copy Value From Other Field post function allows you to define the issue in transition as the source or destination of the copy operations, while you define the other end with an issue relation. The field value is then read from the source issue and written to the destination issue. Other workflow modules do not have source and destination; you simply define the issue relation which applies for that workflow module. For example, the Create a Linked Issue post function creates a new issue and then connects it with some Issue Relation to the issue in transition.


While we try to execute as many configurations as possible, there are some restrictions you should keep in mind.

  • Copy Value From Other Field post function: there should be only one source issue. Otherwise, it is not clear from which the value will be read. (The current implementation will just pick one of them and ignore the rest.)
  • If you use Create a Linked Issue post function to create a new sub-task, you must also configure this post function to create the new issue as an issue type of a sub-task and make sure the target project is the same as the one for the issue in transition.

If you encounter problems, the workflow module will still run through but will add a message to the log file. See how to turn on the full logging for JSU in our Troubleshooting topic. It is advised that you do this while you test any new workflow configuration to make sure you're not missing anything.

Asynchronous Execution

There is a fundamental difference between Jira Server/Data Center and Jira Cloud: In Jira Cloud, post functions of apps are executed asynchronously as a 'background job'. This means a post function will be executed after the transition has been completed on Jira Cloud.

Note the following behaviors of the asynchronous execution:

  • If you are using multiple post functions, there is no guaranteed order in which they are performed. They might be executed in a different order from the one you set up in Jira's workflow configuration. Therefore, you cannot rely on any result of a 'previous' post function. Also, the order in which the post functions are executed might be different every time the transition is performed.
  • If a post function encounters a problem (due to misconfiguration or the current data of a Jira issue), the transition (and all other post functions) will be performed regardless of the problem.
  • The result of a post function might not be visible immediately in the browser.
  • There are no error messages displayed to the user.


A workflow is configured so that the 'Close' transition has the '"Copy Value From Other Field"  post-function to clear any field. The function is configured to clear the 'Security Level' field. If a user closes an issue on this workflow, the value of the 'Security Level' field will be cleared.

Supported Field Types

JSU supports many different field types; system fields, as well as custom fields.

You should be aware, however, that not all field types or all combinations are supported. We have tried to cover the most important field types but we are continuously adding more and improving how different field types are supported. We recommend that you test JSU with fields to see if it is compatible with your system. Our evaluation license gives you 30 days free trial. 

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