How to authenticate in the connection? about redis-dart HOT 1 CLOSED

conn.connectSecure(<args>).than((Command command){
     command.send_object(["AUTH","username","password"])
     .then((var response) {
       print(response);
       command.send_object(["SET","token","value]).then(
          (var response) => print(response));
     });
});

Command command = await conn.connectSecure(<args>);
var rsp_auth = await command.send_object(["AUTH","username","password"]);
print(rsp_auth);
var rsp_token = await command.send_object((["SET","token","value]));
print(rsp_token);