First / Last Transitioned User Custom Field

The First/Last Transitioned User Custom Field calculates the user who first or last made a transition in an issue.

To create a First/Last Transitioned User Custom Field 

• Navigate to Jira Admin > Manage Apps > Enhancer Plugin For Jira Menu > Custom Fields (JEP).
• Click on the  button.
• Click on the User/Group tab on the left-hand side of the dialogue. 
• Navigate to and click on First Transitioned User or Last Transitioned User, then click Add custom field.
  

• Fill in the dialog box:
  
  
  • Create a name for the custom field.
  • Enable Skip self transition if you do not want self transitions to affect this user field.
• And then click on the Save Custom Field button. That's it.

This custom field can be used to sort or search in issue navigator.