Keycloak as SAML IDP & Websphere as SP (SP Initiated SSO)

I want to use keycloak as SAML IDP & websphere as SP.
This would be SP Initiated flow where user will be start using application URL & then will be redirected to keycloak.
Websphere version:
Keycloak version: 8.0.2

I would appreciate if someone can guide me with steps?


Did you find any document or steps to proceed with this Integration?