[TYPO3] Retrieving correct page URL in backend

[John de Stigter]

Anybody with an idea?

> 
> Goodmorning everybody,
> 
> I'm having an issue with retrieving the correct page url's in 
> the backend of TYPO3.
> 
> In my situation I am dealing with mountpoints and multiple 
> websites / domains. The website partially share a common page 
> tree stored in the general storage folder.
> 
> I have a backend module that will create links to a page in 
> that common page tree for each website. In the frontend this 
> is no problem because I am using the typoscript configuration 
> config.MP_defaults. But how do I retrieve the correct url or 
> mountpoint in the backend?
>