---
title: "POST /call/FnClassOptionalOutput2"
method: POST
path: "/call/FnClassOptionalOutput2"
---

# POST /call/FnClassOptionalOutput2

`POST /call/FnClassOptionalOutput2`

## Request body

- object
  - `input` string, required
  - `__baml_options__` BamlOptions
    - `client_registry` object, required
      - `clients` ClientProperty[], required
        - `name` string, required
        - `provider` string, required
        - `options` object, required
      - `primary` string

## Response `200`

Successful operation

- ClassOptionalOutput2
  - `prop1` string
  - `prop2` string
  - `prop3` Blah
    - `prop4` string

---

[API](https://skmtc.net/boundaryml/apis/baml-cli-serve.md) · [All operations](https://skmtc.net/boundaryml/apis/baml-cli-serve/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/boundaryml/baml-cli-serve/versions/de0222076ef2/schema)