diff --git a/lib/ebay_ruby/connect.rb b/lib/ebay_ruby/connect.rb
index fe53027..0306310 100644
--- a/lib/ebay_ruby/connect.rb
+++ b/lib/ebay_ruby/connect.rb
@@ -3,45 +3,48 @@
 
 class EbayConnect
 
-  def initialize(app_id)
+  def initialize(app_id:, campaign_id:)
     @app_id = app_id
+    @campaign_id = campaign_id
   end
 
-  attr_reader :app_id, :build_uri
+  attr_reader :app_id, :build_uri, :campaign_id
 
   def get_connect(url)
     response = Net::HTTP.get_response url
     response.body
   end
 
-  def find_items_by_keywords(search_keyword, per_page)
+  def find_items_by_keywords(search_keyword, per_page, page_number = 1)
     str = __method__.to_s.camelize
     operation_name = str.gsub(str.first, str.first.downcase)
     search_param = "keywords=#{URI::encode(search_keyword)}"
-    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page)))
+    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page, page_number)))
     ebay_items.all_items
   end
 
-  def find_items_by_category(category_id, per_page)
+  def find_items_by_category(category_id, per_page, page_number = 1)
     str = __method__.to_s.camelize
     operation_name = str.gsub(str.first, str.first.downcase)
     search_param = "categoryId=#{category_id}"
-    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page)))
+    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page, page_number)))
     ebay_items.all_items
   end
   #productId can be ISBN,UPC,EAN
-  def find_items_by_product(product_id, per_page)
+  def find_items_by_product(product_id, per_page, page_number = 1)
     str = __method__.to_s.camelize
     operation_name = str.gsub(str.first, str.first.downcase)
     search_param = "productId=#{product_id}"
-    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page)))
+    ebay_items = EbayFindItem.new(get_connect(build_uri(operation_name, search_param, per_page, page_number)))
     ebay_items.all_items
   end
 
-
   private
-  def build_uri(operation_name, search_keyword, per_page)
-    uri_string = "http://svcs.ebay.com/services/search/FindingService/v1?OPERATION-NAME=#{operation_name}&SERVICE-VERSION=1.0.0&SECURITY-APPNAME=#{app_id}&GLOBAL-ID=EBAY-US&RESPONSE-DATA-FORMAT=JSON&#{search_keyword}&paginationInput.entriesPerPage=#{per_page.to_i}"
+  def build_uri(operation_name, search_keyword, per_page, page_number = 1)
+    uri_string = "http://svcs.ebay.com/services/search/FindingService/v1?OPERATION-NAME=#{operation_name}" \
+                 "&SERVICE-VERSION=1.0.0&SECURITY-APPNAME=#{app_id}&GLOBAL-ID=EBAY-US&RESPONSE-DATA-FORMAT=JSON" \
+                 "&#{search_keyword}&paginationInput.entriesPerPage=#{per_page.to_i}&paginationInput.pageNumber=#{page_number.to_i}" \
+                 "&affiliate.trackingId=#{campaign_id}&affiliate.networkId=9"
     URI(uri_string)
   end
- end
+end