Example showing how to report an exception to Rollbar with a custom fingerprint, from ruby

Gemfile

source 'https://rubygems.org'

gem 'rollbar'

test.rb

require 'rollbar'

# monkeypatch Rollbar to add a new method, report_exception_with_fingerprint 
module Rollbar
  class << self
    def report_exception_with_fingerprint(exception, fingerprint, request_data = nil, person_data = nil, level = nil)
      if person_data
        person_id = person_data[Rollbar.configuration.person_id_method.to_sym]
        return 'ignored' if configuration.ignored_person_ids.include?(person_id)
      end

      return 'disabled' unless configuration.enabled
      return 'ignored' if ignored?(exception)

      data = exception_data(exception, level ? level : filtered_level(exception))
      data[:fingerprint] = fingerprint

      attach_request_data(data, request_data) if request_data
      data[:person] = person_data if person_data

      @last_report = data

      payload = build_payload(data)
      schedule_payload(payload)
      log_instance_link(data)
      data
    rescue => e
      report_internal_error(e)
      'error'
    end
  end
end

# now ready to use.

Rollbar.configure do |config|
  config.access_token = 'aaaabbbbccccddddeeeeffff00001111'
end

begin
  1 / 0
rescue => e
  Rollbar.report_exception_with_fingerprint(e, "this will group with the other")
end

# normally, this would group separately from above, but by providing the same fingerprint, they will be grouped together
begin
  foo = bar
rescue => e
  Rollbar.report_exception_with_fingerprint(e, "this will group with the other")
end

# normally, this would group with the above, but by providing a different fingerprint, they'll be grouped separately
begin
  foo = bar
rescue => e
  Rollbar.report_exception_with_fingerprint(e, "this will group separately")
end