Return a new unique key for associating user data with metrics.
Declared in <balm_configurationutil.h>
static
MetricDescription::UserDataKey
createUserDataKey(MetricsManager* manager = 0);Return a new unique key that can be used to associate (via setUserData) a value with a metric (or group of metrics). Optionally specify a metrics manager to configure. If manager is 0, configure the default metrics manager; if manager is 0 and the default metrics manager has not been initialized, then an unspecified integer value is returned. Note that the returned key can be used by clients of balm to associate additional information with a metric.
a new unique user-data key, or an unspecified value if manager is 0 and the default metrics manager has not been initialized
| Name | Description |
|---|---|
| manager | metrics manager to configure; 0 uses the default |