If you have PingFederate as your IdP and are trying to integrate the SAML-based IdP using the metadata supplied from the page, use this SAML Assertion URL:
https://{{instance}}/auth/realms/default/broker/atlan/endpoint
If you have PingFederate as your IdP and are trying to integrate the SAML-based IdP using the metadata supplied from the page, use this SAML Assertion URL:
https://{{instance}}/auth/realms/default/broker/atlan/endpoint