---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/anthropic_messages/validation/variables/anthropicMessagesOptionsSchema.md
description: >-
  Validator schema for `AnthropicMessagesAdapterOptions`. Used by
  `validateOptions` at construction time and again at the start of every
  iteration after options have been merged. Rejects unknown top-level keys so
  typos fail loud.
---

# Variable: anthropicMessagesOptionsSchema

```ts
const anthropicMessagesOptionsSchema: ObjectSchema<AnthropicMessagesAdapterOptions>;
```

Defined in: [src/batteries/llm/anthropic\_messages/validation.ts:196](https://github.com/NHTIO/ADK/blob/v1.20260726.0/src/src/batteries/llm/anthropic_messages/validation.ts#L196)

Validator schema for `AnthropicMessagesAdapterOptions`. Used by `validateOptions` at construction
time and again at the start of every iteration after options have been merged. Rejects unknown
top-level keys so typos fail loud.