app/models/unidom/action/state_transition.rb in unidom-action-0.1 vs app/models/unidom/action/state_transition.rb in unidom-action-0.2

@@ -6,9 +6,11 @@
 
   self.table_name = 'unidom_state_transitions'
 
   include Unidom::Common::Concerns::ModelExtension
 
-  belongs_to :subject, polymorphic: true
-  belongs_to :reason,  class_name:  'Unidom::Action::Reason'
+  belongs_to :transitor_visitor, polymorphic: true
+  belongs_to :transitor_party,   polymorphic: true
+  belongs_to :subject,           polymorphic: true
+  belongs_to :reason,            class_name:  'Unidom::Action::Reason'
 
 end