custom-events.rb

require 'rubygems'
require 'dogapi'

datadog_api_key = "Find it at https://app.datadoghq.com/account/settings#api"

project_name = "Test"
msg = "Example of Aggregation of custom events (Support)"
host = "app.datadoghq.com"
dog = Dogapi::Client.new(datadog_api_key)

# First send an error                                                                                                                                                           
dog.emit_event(Dogapi::Event.new("By using the :aggregation_key option",
                                 :msg_title       => msg,
                                 :aggregation_key => project_name,
                                 :alert_type      => "error"
                                 ), :host => host)

# Then send a success                                                                                                                                                           
dog.emit_event(Dogapi::Event.new("By using the :aggregation_key option",
                                 :msg_title       => msg,
                                 :aggregation_key => project_name,
                                 :alert_type      => "success"
                                 ), :host => host)

# Both events are aggregated and the aggregate is shown in green                                                                                                                
# since it denotes the status of the last event in the aggregate.