diff --git a/lib/responsys/api/campaign.rb b/lib/responsys/api/campaign.rb
index 2d21551..23d3c73 100644
--- a/lib/responsys/api/campaign.rb
+++ b/lib/responsys/api/campaign.rb
@@ -21,6 +21,18 @@ def check_failures(outcome, recipients)
           puts "failed:\n" + recipients[:recipient].to_s unless outcome[:success]
         end
       end
+
+      def merge_trigger_email(campaign, record_data, trigger_data, merge_rule)
+        raise ParameterException, Responsys::Helper.get_message("api.campaign.incorrect_trigger_data_type") unless trigger_data.is_a? Array
+        message = {
+          recordData: record_data.to_api,
+          mergeRule: merge_rule.to_api,
+          campaign: campaign.to_api,
+          triggerData: trigger_data.map(&:to_api)
+        }
+
+        api_method(:merge_trigger_email, message)
+      end
     end
   end
 end
diff --git a/lib/responsys/api/object/all.rb b/lib/responsys/api/object/all.rb
index 08d15fd..9287416 100644
--- a/lib/responsys/api/object/all.rb
+++ b/lib/responsys/api/object/all.rb
@@ -9,3 +9,4 @@
 require "responsys/api/object/recipient_data"
 require "responsys/api/object/email_format"
 require "responsys/api/object/optional_data"
+require "responsys/api/object/trigger_data"
diff --git a/lib/responsys/api/object/trigger_data.rb b/lib/responsys/api/object/trigger_data.rb
new file mode 100644
index 0000000..eaeb7d8
--- /dev/null
+++ b/lib/responsys/api/object/trigger_data.rb
@@ -0,0 +1,18 @@
+module Responsys
+  module Api
+    module Object
+      class TriggerData
+        attr_accessor :optional_data
+
+        def initialize(optional_data = [Responsys::Api::Object::OptionalData.new])
+          @optional_data = optional_data
+        end
+
+        def to_api
+          { optionalData: @optional_data.map(&:to_api) }
+        end
+      end
+    end
+  end
+end
+