In this screen, rules can have only one type of trigger i.e. Manual.
Other automated triggers such as Version-Release, Version created, Scheduled before N days of release, and Sprint completed cannot be implemented from the cross-project ARN screen as this screen is not tied-up with any Jira project. Versions and sprints are created within a particular Jira project.
How can I use automated triggers?
In order to use automated rule triggers such as Version-Release, Version created, Scheduled before N days of release, Sprint completed etc., navigate to ARN’s in-project screen.
ARN in-project screen can be accessed within a Jira project from the left navigation panel.
For more information about navigation to different ARN screens