I want to connect Filtered AWS Cloudwatch Datasource

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I set minimum AWS IAM and connected Cloudwatch Datasource to Grafana.
In this situation, I don’t want to get all instance’s information in Grafana.
I can filter all instance’s information through Grafana Query. but I don’t want to do this way.
How can I set filtered Cloudwatch Datasource?

THANK YOU!!

~ the grafana team