onCategoryChangeState() — Finder change category state content method Article is passed by reference, but after the save, so no changes will be saved.
onContentAfterDelete() — Finder after delete content method Article is passed by reference, but after the save, so no changes will be saved.
onContentAfterSave() — Finder after save content method Article is passed by reference, but after the save, so no changes will be saved.
onContentBeforeSave() — Finder before save content method Article is passed by reference, but after the save, so no changes will be saved.
onContentChangeState() — Finder change state content method Method to update the link information for items that have been changed from outside the edit screen. This is fired when the item is published, unpublished, archived, or unarchived from the list view.

__toString() — Magic method to convert the object to a string gracefully.
def() — Sets a default value if not alreay assigned
get() — Returns a property of the object or the default value if the property is not set.
getError() — Get the most recent error message.
getErrors() — Return all errors, if any.
getProperties() — Returns an associative array of object properties.
set() — Modifies a property of the object, creating it if it does not already exist.
setError() — Add an error message.
setProperties() — Set the object properties based on a named array/hash.