SHi @axbida, please refrain to mention ZITADEL Staff in the discord as this is a community chat, to still maybe help you out, did you look over our introduction to external identity providers here https://zitadel.com/docs/guides/integrate/identity-providers/introduction ?
SThe configID is the ID of the external IDP, externalUserId is the ID of the user provided by the external ID, and the display name is just a displayed name for the link