 		}
 		
 		/**
-		 * @param	callback	d
-		 * @return 				advertiser id
+		 * @param	callback	method which accepts a param for an advertiser id </br>
+		 * 						function( idfa:String ) : void	
 		 */
 		public function getIDFA( callback:Function ) : void {
 			

		/**
		 * 
		 * @param 	salt		a developer specific salt
		 * @param	callback	
		 * @return				unique id for this device
		 */
		public function getID( salt:String, callback:Function ) : void {
			

				callback( null );
				return;
			}

			if ( _idfa ) {
				callback( _idfa == '00000000-0000-0000-0000-000000000000' ? null : _idfa );
			}
