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:wave: *Quick question regarding Ory Kratos configuration (self-hosted OSS, v1.2.0):*
I'm trying to implement the `identifier_first` login flow as described in the official docs here:
 :link: <https://www.ory.sh/docs/identities/sign-in/identifier-first-authentication>
I've added the following in my `kratos.yaml`:
```selfservice:
  flows:
    login:
      style: identifier_first```
However, Kratos throws the following error on startup:
```The configuration contains values or keys which are invalid:
selfservice.flows.login: map[lifespan:1h style:identifier_first ui_url:<http://localhost:3000/login>]
^-- additionalProperties "style" not allowed```
I'm running the open-source version (Apache 2.0 license).
 Is
`identifier_first` only available in the Ory Enterprise version or Ory Cloud?
If not, what's the recommended way to replicate this login flow using a custom UI with OSS?
Appreciate any guidance or clarification. Thanks! :pray:

It's not available in the latest release yet. Will be part of the next OSS Kratos release, though.
It is already available in Ory Network &amp; OEL as well.