SessionRequestHandler

Order	Handler	Description
500	GetPunchOutSession	Uses the Parameter.PunchOutSessionId to lookup the PunchOutSession from the PunchOutSession repository.
600	CreatePunchOutSessionAccess	Creates new PunchOutSessionAccess.
700	SetUserAsAuthenticated	Uses the IAuthenticationService to set the PunchOutSession.UserProfile as authenticated.
800	SetSiteContext	Uses the ISiteContextService to set the SiteContext BillTo, ShipTo, and Currency.
900	CreateRedirectUrl	Creates a RedirectUrl and sets it to the result.