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  number Player:UniqueID()
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Description

We advise against using this. It may be changed or removed in a future update.

This function has collisions, where more than one player can have the same UniqueID. It is highly recommended to use Player:SteamID64, Player:SteamID or Player:AccountID instead, which are guaranteed to be unique to each player.

Returns a 32 bit integer that remains constant for a player across joins/leaves and across different servers. This can be used when a string is inappropriate - e.g. in a database primary key.

In Singleplayer, this function will always return 1.
In a -multirun environment, the value returned is different on the serverside and clientside.

Issue Tracker: 6389

Returns

1 number
The player's Unique ID

Example

Gets the Unique ID of a player.

Entity( 1 ):UniqueID()
Output: Something like 1592073762

Example

You can retrieve the UniqueID if the player is not on the server. To do this, you will need the player's Player:SteamID and execute the following line:

local iUniqueID = util.CRC(("gm_%s_gm"):format(Entity( 1 ):SteamID():upper())) print(iUniqueID == Entity(1):UniqueID())
Output: true

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