string key)

Checks if a custom property is defined. This does not guarantee that the value of the property is valid.

Parameters:

Name	Type	Description
key	string	the name of the property

Returns:

type	Description
boolean	True if the property is defined.

Usage

---@type MLPlayer
local mlplayer;

---@type string
local key;


local val0 = mlplayer.PropertyExists(key)