要約

Jira Service Management agent is unable to  "@" mention agents and collaborators in the comments field in Jira.

^{When trying to mention users, a dropdown with user names should appear, however, no dropdown appears.}

ユーザーとグループの権限を参照する

The global permission "Browse users and groups" gives agents permission to look up users and groups. If an agent is unable to find users, they are likely not part of a group with this permission.

Granting permissions to allow users to mention other users

1. Go to Settings > System.
2. On the left side menu, click Global permissions.
3. Scroll to the bottom of the permissions page.
   1. 
4. Select Grant "Browse users and groups" to your Jira Service Management default access group (or other group of your choosing)
5. Add.