Create a dashboard on CloudWatch Filters

Hi,

I would like to create a dashboard on AWS CloudWatch loggroup filters. Can you please let me know what metrics do i need to select in Grafana create panel in order to get the custom matrices filter name populated in metrics drop down during creation of grafana panel . Please find the below screen shot. No filter name is being populated but the custom filter exists under cloudwatch log group

Regards,
Sunil.