You can set up GitLab as use bug tracker with the following steps:

1. Login to the Kiwi TCMS web interface as user with superuser status or as a member of group Administrator
2. Go to the top menu and select Admin → Everything else → Bug trackers
3. Click Add Bug tracker
4. Enter the following information:
   • Name: "GitLab Project A"
   • Tracker type: "tcms.issuetracker.types.Gitlab"
   • Base URL: "https://gitlab.com/%5C<Path to Project A>"
   • API URL: "https://gitlab.com"
   • API username: not required
   • Api password: project access token (scopes: api, role: reporter)

Now you can go to a test run and click on the three dots on the right of a test case and select Report bug. The issue tracker of your GitLab project will then open with an issue containing all relevant information of the corresponding test case.