[keycloak-user] Keycloak & SAML & Workplace By Facebook

Hi everyone, I’m trying to configure an SAML client for my Realm to enable SSO authentication in Workplace By Facebook Facebook ask for the following : URL SAML -> I Use the url of the client auth URI SAML emitter => I use the same as above Certificate : I get Certificate from client / SAML Keys Facebook give me : Audience URL (I don’t know where to use) URL SAML : This is the web root (Master SAML Processing URL) URL ACS : (Assertion Consumer Service POST Binding URL ) When, in workplace, I clic on Test SSO, It open a popup, ask me to login, then redirect to an error “SSO Unauthenticated” (SAML response is not valid) … I don’t know why and do not have more informations. Does anyone had the same problem ? Any ideas ? Or even try to configure Workplace and Keycloak working together ? Regards Rémi