Dynamic Pages are fairly simple. See the link to the page

return $this->ImageGalleryPage()->Link('album/'.$this->Folder()->Name); outputs a link like site.com/gallery/album/my-photos

URLs in SS can be read like /Controller/Action/ID so that above URL translates to calling the album() method on the Controller for the page with the URLSegment 'gallery' which in this case is the 'GalleryPage_Controller'.

So if you look at GalleryPage.php at the GalleryPage_Controller you will see a function album() which outputs the page content for the 'my-photos' album. You can see more detail my looking at that method. You can also define a separate template for the album page. Normally you would have a GalleryPage.ss template but with the 'album' action you can make a GalleryPage_album.ss template to style it differently

Hi.

You have to use: OtherID (case-sensitive). Something like this should work:

Yay, Post 404

Yeah, you can create arbitrary URL actions/parameters. They are called rewrite rules (not to be confused with mod_rewrite rules) and can be placed in your mysite/_config.php file. Look here for details:
http://doc.silverstripe.com/doku.php?id=director#custom_rewrite_rules

The one that is used by default for controllers is this one:

Thanks again

I tried to edit

// sapphire/main.php
Director::addRules(1, array(
   '$URLSegment/$Action/$ID/$OtherID' => 'ModelAsController',
));

to

Director::addRules(1, array(
   '$URLSegment/$Action/$ID/$OtherID/$thirdId' => 'ModelAsController',
));

in //sapphire/main.php as well as in mysite/_config.php and both times nothing happened and I thought there was no errors but when I tried to put a third variable into mysite then I got the problem

I can't handle sub-URLs of a WebsitePage_Controller object.

any idea why this could be, I checked the error log and couldn't find any more information.

Thanks

Will

I can't handle sub-URLs of a WebsitePage_Controller object.