John Frizelle it relates to these values in the apb: https://github.com/aerogearcatalog/keycloak-apb/blob/master/apb.yml#L17-L20 I'll create a pr to create external links for these. Based on the context, should this link to the SDK API docs or somewhere in docs.aerogear.org which has the context of the mobile client and idm, somewhere like here: https://docs.aerogear.org/aerogear/latest/identity-management.html#user-auth