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-rw-r--r--activesupport/lib/active_support/notifications/instrumenter.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/notifications/instrumenter.rb b/activesupport/lib/active_support/notifications/instrumenter.rb
index 0655dd0cb6..3b0b0d8da2 100644
--- a/activesupport/lib/active_support/notifications/instrumenter.rb
+++ b/activesupport/lib/active_support/notifications/instrumenter.rb
@@ -4,6 +4,8 @@ require 'active_support/core_ext/module/delegation'
module ActiveSupport
module Notifications
class Instrumenter
+ attr_reader :id
+
def initialize(notifier)
@id = unique_id
@notifier = notifier