Metric fields can be added to forms and should show the same value displayed in list view for a particular GlideRecord.
1. Go to a form for a record with metrics.
2. Click on Form Design from options menu. No metrics fields are displayed.
This problem is under review and targeted to be fixed in a future release. To receive notifications when more information becomes available, subscribe to this Known Error article by clicking the Subscribe button at the top right of this form.
Currently metric fields can only be added through the form layout view.