public RallyRestApiAuthenticationResult AuthenticateWithApiKey(
	string apiKey,
	string rallyServer = "https://rally1.rallydev.com",
	WebProxy proxy = null
)

Public Function AuthenticateWithApiKey ( 
	apiKey As String,
	Optional rallyServer As String = "https://rally1.rallydev.com",
	Optional proxy As WebProxy = Nothing
) As RallyRestApiAuthenticationResult

public:
RallyRestApiAuthenticationResult AuthenticateWithApiKey(
	String^ apiKey, 
	String^ rallyServer = L"https://rally1.rallydev.com", 
	WebProxy^ proxy = nullptr
)

member AuthenticateWithApiKey : 
        apiKey : string * 
        ?rallyServer : string * 
        ?proxy : WebProxy 
(* Defaults:
        let _rallyServer = defaultArg rallyServer "https://rally1.rallydev.com"
        let _proxy = defaultArg proxy null
*)
-> RallyRestApiAuthenticationResult 

RallyRestApi restApi = new RallyRestApi();
WebProxy myProxy = new WebProxy();
restApi.AuthenticateWithApiKey("ApiKeyFromRally", proxy: myProxy);