You are browsing the documentation for version 3.1 of OroCommerce, OroCRM and OroPlatform, which is no longer maintained. Read version 5.0 (the latest LTS version) of the Oro documentation to get the updated information.
See our Release Process documentation for more information on the currently supported and upcoming releases.
OroActivityBundle helps classify certain entity types as activities and enables a special relation type between an entity and activities. Activity relations can be managed in the entity management UI and in the DB migration files.