You can now add, edit, delete, and track downtimes for CIs under the Downtime tab in CI details page. You can track both the scheduled and unplanned downtimes.
To add a CI downtime
Go to CMDB module and select the CI for which you want to add a downtime.
In the CI details page, go to the Downtime tab and click Add Downtime.

Fill out the required details and click Save.
From the downtime list view page, you can add, edit, delete downtime, or view all the downtimes for a particular CI including the ones that are not scheduled. You can also view the origin of the downtime such as if the CI is involved in a downtime related to a release/change.

To edit or delete a downtime,
Go to the Downtime tab in the CI details page.
Click on the gear icon beside the downtime and select the relevant option.

You can view the overall downtime summary related to a CI by accessing the Downtime Summary available in the Downtime tab.

You can also view the downtime of a CI from the Relationship Map. Go to the CI details page and click on Relationship Map at the top. In the relationship map that is displayed, click on the CI to fetch the downtime details. The downtime details will be listed on the right pane.

New notification rules related to downtime are added under CMDB. The notifications include:
Notify CMDB users when downtime is scheduled for a CI
Notify CMDB users before the scheduled start of a downtime
Notify CMDB users before the scheduled end of a downtime
