Post Functions
Workflow Extension require administrator privileges, you must be an administrator to perform actions on this page.
The main purpose of post-function is that when the user adds post-function to a conversion action, the system will continue to do some post-function operations after executing the specified conversion action in the issue and updating the status.
How to add a post-function?
Login to your jira system as administrator
Click the gear icon in the upper right to enter the Issues
Click 'Workflow' in the menu item on the left, select the workflow for which you need to add a validator, and click Edit
Click on the transition action for which you want to add a validator and click on the validator on the right
Click Add