Editing metrics
Navigate to the Metrics tab on the left-handside menu.
Navigate to the metric you want to edit
Click on the three dots on the right hand side of the row
Select Edit Metric from the dropdown
Deleting metrics
Navigate to Metrics on the left side menu
Click on the three dots on the right hand side of a metric
Select Delete from the dropdown menu
Note that if you delete a metric that is being used in an active experiment, that may affect the experiment currently being run.
Setting metrics as Guardrail metrics
Navigate to the Metrics tab on the left-handside menu.
Navigate to the metric you want to set as guardrail metric
Click on the three dots on the right hand side of the row
Select Set as Guardrail Metric from the dropdown