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Authenticate a client in case of IdP-initiated Single Sign-On (SSO)
To initiate an SSO on the IdP side, enable the TElSAMLIdentityProvider.AllowIDPSSO property.
Multiple URLs may be used on an IdP to initiate the single sign-on. Each URL must be described by a TElSAMLIdPSSOLink object added to the configuration using the TElSAMLIdentityProvider.AddIdPSSOLink() method. The TElSAMLIdPSSOLink.URL property specifies a relative URL, TElSAMLIdPSSOLink.RelayState defines optional relay state to be transferred to the SP, and TElSAMLIdPSSOLink.SPIndex is the index of the SP configuration in the TElSAMLIdentityProvider.ServiceProviders list.