To save an advanced metric alert as a PromQL alert:
Open the advanced alert and click Edit.
The Advanced Metric Alert page will display an option to copy the alert to a PromQL alert.
Adjust the time window as necessary, select one or more notification channels, and configure alert settings. Alternatively, you can do the configuration after copying to Prometheus alert page.
Click Copy to Prometheus alert.
The PromQL alert editor page will be displayed.