metricName property
A friendly name or description for the metrics for a
RateBasedRule. The name can contain only alphanumeric
characters (A-Z, a-z, 0-9), with maximum length 128 and minimum length one.
It can't contain whitespace or metric names reserved for AWS WAF, including
"All" and "Default_Action." You can't change the name of the metric after
you create the RateBasedRule.
Implementation
final String? metricName;