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Hi @yyc,

I already replied via email.
Please, do not open multiple simultaneous support tickets/channels.

Other than "IsPersistent", you need to set web flag.
Not sure which client SDK you use but you should be able to set SendState web flag in the SetProperties call.

when i set the "IsPersistent" to true, I found that i cant creat any room in a unity test project.
What should I do?

You should test the implemented webhooks in your web service, they should return the expected format.
Check the error logs to see why this fails.
Depending on the client SDK you use there might be a room join or room create failure callback.

I will also add the following:

Why do you need the State at all?
Maybe you can get whatever you need otherwise?

Apparently this got discussed via mail.

Hi @Techno_Babel,

Thank you for choosing Photon!

There are three different issues:

1. The NullReferenceException. Probably the RPC RPC_DisableButton is received & respective method is called before Start is called and button is assigned. Try replacing Start with Awake or setting button in RPC_DisableButton.
2. The weird behaviour of buffered RPC sometimes received sometimes not or not received by everyone.
3. What you try to do (unique character selection per player), IMO, is better implemented using room or actor properties + CAS.

There is no host in Photon.
There is master client.

Master client can change.

If you mean room creator, initial master client, then yes if it's still in the room it will always have actor number 1 and player index (0 or 1) not sure what is the initial value used.

In any case, whether you use actor number or else, it also depends on your game, if it allows drops/disconnects and rejoins or if it allows late joins, etc.

You can store the version number in your code, maybe as a const value. And on startup, you make a web request to get the current version and compare it to the "local" const value.
How to do the web request depends on your distribution, you can implement it with some php on your own server or if you are in an app store maybe they offer some service you could call. Worst case you can download the whole shop page of your app and parse it for the version number.

Those components are not done with bots in mind, which is why we can't provide code for this right now.
It will take a while until we can focus our attention on those parts again.

As for the solution to your situation: You really have to come up with a system yourself. You got Custom Properties to simply store key-values. You can define your own events to send custom content, too.

The TurnManager code is sample code and you can copy and modify it for your Photon games.

Nope, sorry. That code was only added in Pun 2.19

The 2 in 2.19 represents Pun2.