diff --git a/lib/graphql_schema.rb b/lib/graphql_schema.rb
index af9dba63..cf128ead 100644
--- a/lib/graphql_schema.rb
+++ b/lib/graphql_schema.rb
@@ -106,6 +106,7 @@ class ServiceSessionType < GraphQL::Schema::Object
   field :roomId, String, null: true
   field :absent, Boolean, null: false
   field :enrolmentId, ID, null: false
+  field :childId, ID, null: false
   field :date, String, null: true

   def enrolment_id
@@ -127,6 +128,8 @@ end
 class EnrolmentType < GraphQL::Schema::Object
   field :id, ID, null: false, method: :spid
   field :child, ChildType, null: false
+  field :childId, ID, null: false
+  field :parentId, ID, null: false
   field :parent1, ParentType, null: false
   field :parent2, ParentTwoType, null: true
   field :status, String, null: false, method: :graphql_status
@@ -187,7 +191,9 @@ class ServiceType < GraphQL::Schema::Object
   field :id, ID, null: false, method: :spid
   field :name, String, null: false
   field :type, String, null: false
-  field :enrolments, [EnrolmentType], null: false, method: :families
+  field :enrolments, [EnrolmentType], null: false do
+    argument :id, String, required: false
+  end
   field :rooms, [RoomType], null: false
   field :educators, [CcsPersonType], null: true, method: :ccs_people