<function name="UniqueID" parent="Player" type="classfunc"> <description>⤶ <warning>**This function has collisions,** where more than one player has the same UniqueID. It is **highly** recommended to use <page>Player:AccountID</page>, <page>Player:SteamID</page> or <page>Player:SteamID64</page> instead, which are guaranteed to be unique to each player.</warning> <description><deprecated>Use <page>Player:SteamID64</page>, <page>Player:SteamID</page> or <page>Player:AccountID</page> to uniquely identify players instead.</deprecated>⤶ ⤶ <warning>**This function has collisions,** where more than one player has the same UniqueID. It is **highly** recommended to use <page>Player:AccountID</page>, <page>Player:SteamID</page> or <page>Player:SteamID64</page> instead, which are guaranteed to be unique to each player.</warning> 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. <note>In Singleplayer, this function will always return 1.</note> </description> <realm>Shared</realm> <rets> <ret name="" type="number">The player's Unique ID</ret> </rets> </function> <example> <description>Gets the Unique ID of a player.</description> <code>Entity( 1 ):UniqueID()</code> <output>Something like 1592073762</output> </example> <example> <description>Functional equivalent of this function.</description> <code> local ply = Entity( 1 ) local uniqueid = util.CRC( "gm_" .. ply:SteamID() .. "_gm" ) print( uniqueid ) </code> <output>Something like 1592073762</output> </example>