class OpenTelemetry::Metrics::Meter

def create_observable_up_down_counter(name, callback:, unit: nil, description: nil)

Returns:

(nil) - after creation of observable_up_down_counter, it will be stored in instrument_registry

Parameters:

description (optional String) -- an optional free-form text provided by user.
unit (optional String) -- an optional string provided by user.
callback (Proc) -- the callback function that used to collect metrics
name (String) -- the name of the observable_up_down_counter

def create_observable_up_down_counter(name, callback:, unit: nil, description: nil)
  create_instrument(:observable_up_down_counter, name, unit, description, callback) { OBSERVABLE_UP_DOWN_COUNTER }
end

Instance Methods