Is it possible to put a variable in the Alias ​​(legend) field on a graph in Grafana?

Question

Amazon Web Services

Modifying dashboard EC2 (617) for personal needs (source CloudWatch).
Created and named a variable:
Name: PrivateDnsName
Querya:

ec2_instance_attribute ($region, PrivateDnsName, {"instance-id": ["$instanceid"]})

Question: is it possible to display this variable on the chart as a legend and how can this be done?
Placed a variable in the Alias ​​field in the form {{$PrivateDnsName}}. But that doesn't work.

Answer 1

Taco works for me, that is, just without parentheses
p:{{pod}}, c:{{container_name}}, $namespace