[TYPO3-mvc] extending news

[Roland]

>> http://forge.typo3.org/projects/typo3v4-mvc/wiki/Implementation_of_mixinsextendable_domain_models
>
> --- quote ---
> b) custom viewHelper fetching addon objects
> One workaround would be to use "addon objects" and assign those to your
> view using a custom viewHelper that fetches the related "addon object" from
> a repository. While this works fine to just render the related properties,
> it'll be a bit more work on the controller side if you like to make use of
> FE editing of the foreign extension (you would need to override the default
> controller with a custom/extended version using DI)
> --- /quote ---

could someone please explain "addon objects"?

...and how you get this all work as described above?

thanks.

kind regards.

roland