how to make Moba Character Selector?

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hello, i use Custom props to Set character of player exempl:

//custom properties, ID Champion
props["Char"] = idCharacter;
PhotonNetwork.SetPlayerCustomProperties(props);

my idea is a foreach to get player id and set sprite to slot with id of player
my real proble is Slot Id to other peoble because, the room have 10 people and 5 slot

srry bad english