Type Index Pages
- BillboardGui
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Instance
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No Result Found !!!
GetUserIdFromNameAsync
This is a yielding function. When called, it will pause the Lua thread that called the function until a result is ready to be returned, without interrupting other scripts.
This function will send a query to the Roblox website asking what the Player/UserId
is of the account with the given Player
name.
This method errors if no account exists with the given username. If you aren’t certain such an account exists, it’s recommended to wrap calls to this function with pcall
. In addition, you can manually cache results to quickly make future calls with the same username. See the code samples to learn how to do this.
Parameters
Name | Type | Default | Description |
---|---|---|---|
|
The username of the player being specified |
Returns
Return Type | Summary |
---|---|
The |
Code Samples
Fast User ID Lookup
This code sample demonstrates memoization (not memorization!) of the Players/GetUserIdFromNameAsync
method. It uses a table to cache the results of the function. It also uses pcall
in case the username doesn’t exist.
local Players = game:GetService("Players") -- Memoization: since these results are rarely (if ever) going to change -- all we have to do is check a cache table for the name. -- If we find the name, then we have no work to do! Just return the user id (fast). -- If we don't find the name (cache miss), go look it up (takes time). local cache = {} function getUserIdFromUsername(name) -- First, check if the cache contains the name if cache[name] then return cache[name] end -- Second, check if the user is already connected to the server local player = Players:FindFirstChild(name) if player then cache[name] = player.UserId return player.UserId end -- If all else fails, send a request local id pcall(function () id = Players:GetUserIdFromNameAsync(name) end) cache[name] = id return id end print(getUserIdFromUsername("Ozzypig")) --> 269323 print(getUserIdFromUsername("Ozzypig")) --> 269323, but this one returns much quicker print(getUserIdFromUsername("Shedletsky")) --> 261
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