| `/child_epic <epic>` | | | ✓ | Add child epic to `<epic>`. The `<epic>` value should be in the format of `&epic`, `group&epic`, or a URL to an epic ([introduced in GitLab 12.0](https://gitlab.com/gitlab-org/gitlab/-/issues/7330)). **(ULTIMATE)** |
| `/child_epic <epic>` | | | ✓ | Add child epic to `<epic>`. The `<epic>` value should be in the format of `&epic`, `group&epic`, or a URL to an epic ([introduced in GitLab 12.0](https://gitlab.com/gitlab-org/gitlab/-/issues/7330)). **(ULTIMATE)** |