BloombergLP::balm::MetricsManager::addSpecificPublisher

Add the specified publisher to the set of publishers that will be used to publish metrics for the category identified by the specified categoryName. Return 0 on success, and a non‐zero value with no effect if publisher has already been registered to publish the identified category. The behavior is undefined unless categoryName is null‐terminated. Note that this method will fail and return a non‐zero value if publisher has previously been registered to publish every category (using the alternative addGeneralPublisher method).