What is exactly RelayState parameter used in SSO (Ex. SAML)?

Question

I am trying to understand SSO using SAML. I have come across the RelayState parameter and am very confused exactly why it comes first in SSO to send encoded URLs? What exactly d

Answer 1

RelayState is an identifier for the resource at the SP that the IDP will redirect the user to (after successful login). It is a way to make the process of SSO more transient to the user because they are redirected again to the same page they originally requested at the SP.