1 files changed, 5 insertions, 1 deletions
diff --git a/lib/api/entities/project_group_link.rb b/lib/api/entities/project_group_link.rb
index 89138854e67..b5d5991ec7f 100644
--- a/lib/api/entities/project_group_link.rb
+++ b/lib/api/entities/project_group_link.rb
@@ -3,7 +3,11 @@
 module API
   module Entities
     class ProjectGroupLink < Grape::Entity
-      expose :id, :project_id, :group_id, :group_access, :expires_at
+      expose :id, documentation: { type: 'integer', example: 1 }
+      expose :project_id, documentation: { type: 'integer', example: 1 }
+      expose :group_id, documentation: { type: 'integer', example: 1 }
+      expose :group_access, documentation: { type: 'integer', example: 10 }
+      expose :expires_at, documentation: { type: 'date', example: '2016-09-26' }
     end
   end
 end