...
__PACKAGE__->belongs_to(
  "myapp_type",
  "Myapps::Model::Schema::Result::MyappType",

      {
          "Id" => "MyappTypeId",
      },

      {
          "is_deferrable" => "0",
          "on_delete" => "NO ACTION",
          "on_update" => "NO ACTION",
      },
);