spMNIRedirect.jsp processes the ManageNameIDRequest and the <ManageNameIDResponse> received from the identity provider using HTTP-Redirect. The endpoint for this JSP is protocol://host:port/service-deploy-uri/SPMniRedirect. It takes the following required parameters:
SAMLRequest: The ManageNameIDRequest from the identity provider.
SAMLResponse: The ManageNameIDResponse from the identity provider.
Optionally, it can also take the RelayState parameter which specifies the target URL of the request.