Alert for process exporter (virutal mem / resident member)

Hello

process_exporter

Is it possible to do alert-based metrics in “namedprocess_namegroup_memory_bytes”?
I would like it if resident memory reaches 80% of the virtual memory alert is triggered.

Thank you.
MIha

namedprocess_namegroup_memory_bytes{memtype=“virtual”}/namedprocess_namegroup_memory_bytes{memtype=“residential”}