UserCredential UpdateUserCredentials(
	string userId,
	string username,
	string apiKey,
	CloudIdentity identity = null
)

Function UpdateUserCredentials ( 
	userId As String,
	username As String,
	apiKey As String,
	Optional identity As CloudIdentity = Nothing
) As UserCredential

UserCredential^ UpdateUserCredentials(
	String^ userId, 
	String^ username, 
	String^ apiKey, 
	CloudIdentity^ identity = nullptr
)

abstract UpdateUserCredentials : 
        userId : string * 
        username : string * 
        apiKey : string * 
        ?identity : CloudIdentity 
(* Defaults:
        let _identity = defaultArg identity null
*)
-> UserCredential