# Interface Callbacks.BeforeModelCallback

Enclosing class:
  `Callbacks`

Functional Interface:
  This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface Callbacks.BeforeModelCallback

- ## Method Summary

  Modifier and Type
  Method
  Description
  `io.reactivex.rxjava3.core.Maybe<LlmResponse>`
  `call(CallbackContext callbackContext, LlmRequest.Builder llmRequestBuilder)`
  Async callback before LLM invocation.

- ## Method Details

  - ### call

    io.reactivex.rxjava3.core.Maybe<LlmResponse> call(CallbackContext callbackContext, LlmRequest.Builder llmRequestBuilder)
    Async callback before LLM invocation.
    Parameters:
      `callbackContext` - Callback context.
      `llmRequestBuilder` - LLM request builder.
    Returns:
      response override, or empty to continue.