facebook - iOS FBDialog video upload? -

is there of standard dialogs support upload of video? have imitate standard dialogs in code, or possible append vidoe well? use nice gui, facebook video-upload examples see, uses like:

[fbrequestconnection startwithgraphpath:@"me/videos" parameters:params httpmethod:@"post" completionhandler:^(fbrequestconnection *connection, id result, nserror *error) {         if (error) {             self.errormessage = [nsstring stringwithformat:@"error: domain = %@, code = %d, description = %@", error.domain, error.code, error.localizeddescription];         }  } 

i saw example uploading image "staging ressource". useful for, , how used?