Purpose

To enable users to create and configure CC or participant field in Jira.

Environment

Jira Server / Data Center 7.0.0 and any higher version.

Solution

1. Log into the Jira application as a Jira administrator user
2. Go to the page ⚙ > Issues > Custom fields, and click on the button Add custom field to create a new custom field:
   

3. When prompted to select a field type, click on Advanced and create a new Custom Field that you can call CC using the type User Picker (multiple user):

   
4. After you click on the Next button, select the project(s) for which you want the new field to be available:
   
5. After you click on the Create button, select the screen(s) for which you want the new field to be available:
   
6. Go to the relevant project's Notification Scheme (either via the page ⚙ > Issues > Notification Schemes or via the page Project Settings > Notifications) and add notification for the relevant Event.
   1. For example: Notify CC users when the particular Issue is updated.