spSingleLogoutInit.jsp initiates a LogoutRequest at the identity provider by user request. The endpoint for this JSP is protocol://host:port/service-deploy-uri/SPSloInit. There are no required parameters. Optional parameters include:
RelayState: The target URL after single logout.
binding: A URI specifying the protocol binding to use for the <Request>. The supported values are:
Destination: A URI indicating the address to which the request has been sent.
Consent: Indicates whether or not (and under what conditions) consent has been obtained from a principal in the sending of this request.
Consent is not supported in this release.
Extension: Specifies permitted extensions as a list of string objects.
Extension is not supported in this release.