Dimension
class Dimension
The value to use in an Amazon CloudWatch custom metric dimension. This is used in the PublishMetrics
CustomAction. A CloudWatch custom metric dimension is a name/value pair that's part of the identity of a metric.
Network Firewall sets the dimension name to CustomAction
and you provide the dimension value.
For more information about CloudWatch custom metric dimensions, see Publishing Custom Metrics in the Amazon CloudWatch User Guide.