ActionMailer Previews ClassMethods module ClassMethods Ruby on Rails 7.2.3 Since v4.1.16 Available in: v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2 Compare with: … v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v8.0.4 v8.1.2 No documentation comment. Methods (defined here) # register_preview_interceptor # register_preview_interceptors # unregister_preview_interceptor # unregister_preview_interceptors Private methods (1) Implementation detail — not part of the public API. # interceptor_class_for
