From Facebook Developer Wiki

Hi,

Can you point me to the list of stream types please so that I can request only certain types and see the full list of types available? I notice that stutus updates are type '46' and wall posts seem to be '56' but I'd quite like to see the full list rather than relying on trial and error.

Thanks in advance, Kent

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"type string Do not use this field as it's been deprecated. To determine what sort of post gets returned, look for the presence of an attachment (lack of an attachment indicates a status update), and if one is present, look at the attachment's media type (photo, video, Flash, mp3) to determine how you want to handle the post. Facebook for Adobe AIR uses this method, for example." This stinks because we can't use the FQL SELECT clause to select only certain attachment types. Plus, since 3rd-party apps can post photos and video's, etc. we can't just select stream activity from Facebook's own apps.

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Lessons Learned the Hard Way:

You are limited to 100 calls to Stream per 600 seconds.