Bug watcher supports special watcher types additionally to users: external email addresses, project roles and groups.
Manage non-JIRA users as project or filter watchers. Notification of external users is a long-awaited feature request by the JIRA community. Bug Watcher allows users with Manager Watchers permission to add external email addresses to project watchers.
These external users will receive notifications for events where watchers are set in the Notification Scheme of the project.
Additionally to projects, Bug Watcher allows you to add external watchers to your filters.
Example Use Case
Your company has many customers to collaborate with. You set up a JIRA project for your customers. You want to make sure that contacts of your customer receive notifications on key events made to their issues.
Instead of manually notifying the external users, you add them as project watchers.
As a result, your external users will receive emails on key events.
Example Use Case 2
Your company has many customers to collaborate with via a single Help Desk project in JIRA. You store the name of the customer in a custom field of the tickets in your help desk project.
You want to make sure that contacts of all your customers will be notified of key events of the issues belonging to them.
Instead of manually notifying the external users, you create filters for each customer and you the contacts as watchers of the corresponding filter.
As a result, your external users will receive emails on key events on the issues that belong to their company.
Project Roles and Groups
Project roles and groups can also be set as watchers in the projects or issues.