Reference URL to additional information about the rule used to generate this event.
Example
https://en.wikipedia.org/wiki/DNS_over_TLS
Note
The URL can point to the vendor’s documentation about the rule. If that’s not available, it can also be a link to a more general page describing this type of alert.
This attribute is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.
Reference URL to additional information about the rule used to generate this event.