 
         private static const CREDENTIALS_CHECK:String = "credentialsCheck";
 
+        private static const ACCESS_SYSTEM_ACCOUNTS:String = "accessSystemAccounts";
+
         /* Event name for queries that return single status (retweetStatus, updateStatus...) */
         private static const STATUS_QUERY_SUCCESS:String = "statusQuerySuccess";
         private static const STATUS_QUERY_ERROR:String = "statusQueryError";

            mContext.call( "getSentDirectMessages", count, sinceID, maxID, page, registerCallback( callback ) );
        }

        /**
         * Disposes native extension context.
         */

                    }
                    return;

                case ACCESS_SYSTEM_ACCOUNTS:
                    log( "System accounts access granted: " + (json.granted as Boolean) );
                    if( callback != null ) {
                        callback( json.granted as Boolean );
                        callback = null;
                    }
                    return;

                case STATUS_QUERY_SUCCESS:
                    log( "Status query success" );
                    if( callback != null ) {
