FileExistsAsync

Last Updated2026-07-30

Created At2026-07-30

Checks for a regular file without blocking the game thread.

native void FileExistsAsync(const char[] path, FileExistsCallback callback, any data = 0, bool use_valve_fs = false, const char[] valve_path_id = "GAME")

Parameters

const char[] path

Path to the file.

FileExistsCallback callback

Callback invoked on completion.

any data

User data passed to the callback.

bool use_valve_fs

If true, use the Valve filesystem.

const char[] valve_path_id

Valve filesystem search path when use_valve_fs is true.

Return Value

void

Error

The callback is invalid, the async worker is shutting down, or Valve async operations are unavailable.