diff --git a/app/models/ticket.rb b/app/models/ticket.rb
index ecb724fa3..e8631a3ac 100644
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@@ -24,11 +24,26 @@ class Ticket < ApplicationModel
 
   include Ticket::Escalation
   include Ticket::Subject
+  include Ticket::Permission
   extend Ticket::Search
-  extend Ticket::Permission
 
   attr_accessor :callback_loop
 
+=begin
+
+merge tickets
+
+  ticket = Ticket.find(123)
+  result = ticket.merge_to(
+    :ticket_id => 123,
+  )
+
+returns
+
+  result = true|false
+
+=end
+
   def agent_of_group
     Group.find( self.group_id ).users.where( :active => true ).joins(:roles).where( 'roles.name' => 'Agent', 'roles.active' => true ).uniq()
   end
diff --git a/app/models/ticket/search.rb b/app/models/ticket/search.rb
index 42437fc53..c51158d70 100644
--- a/app/models/ticket/search.rb
+++ b/app/models/ticket/search.rb
@@ -18,7 +18,7 @@ returns
 
 =end
 
-  def self.search (params)
+  def search (params)
 
     # get params
     query        = params[:query]