IS IT POSSIBLE TO PASS ADDITIONAL PARAMETERS (CUSTOM PARAMETER) IN THE RELAY STATE URL?

SAML for ASP.NET
1

Example: https:///amazon_appstream/0oad58qauUE1tGJWx5d6/aln1al3ek55Es08M81d8

Can I include a dynamic relay state in the SAML request for an IDP-initiated SSO?

    <feeds_answer_badging-user-verified data-data-rendering-service-uid=“340” data-aura-rendered-by=“609:399;a” style=“box-sizing: border-box;”><feeds_answer_badging-badge style=“box-sizing: border-box;”>
    </feeds_answer_badging-badge></feeds_answer_badging-user-verified>

    2

    I’m assuming your site is the IdP. You can pass whatever URL you like as the relay state, including your example.