ActiveStorage Attached Model module Model Ruby on Rails 6.0.6 Since v6.0.6 Available in: v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2 Compare with: … v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2 Provides the class-level DSL for declaring an Active Record model’s attachments. Extends ActiveSupport::Concern Methods (defined here) # has_many_attached # has_one_attached # purge # purge_later Methods (inherited) From ActiveSupport::Concern (2) # class_methods # included