I’d really like to have something like the Profile Wall in my app so that users can leave comments.
Don’t settle for something like the Wall; have the Wall! Use the
fb:comments tag to add a real, live Wall to your Canvas pages. The
simplest form is:
<fb:comments xid="my_quick_and_easy_wall" />
which will give you something like Figure 6-37.
Figure 6-37. The simplest form of fb:comments
You might consider using a Discussion Board–type system instead of a Wall, depending on whether you want a one-way message board or more of a conversation. See Discussion Boards Made Simple. The implementation of both tags is virtually identical, so this might all seem very familiar if you’ve already read that recipe.
You could also use the
tags if you wanted to format content to look like Wall
posts, but since they don’t provide any mechanism to create new
posts, they are much less useful. You can find more information
about them on the Platform Wiki if you’re curious.
xid parameter needs to be unique across all of Facebook, so put on your imagining cap and make up something that no one else will have come up with (note that you’re limited to alphanumeric characters (Aa–Zz, 0–9), hyphens (-) and underscores (_)). You’ll see why it needs to be unique once you have the Wall on your page and you can see the ...