---
url: 'https://adk.nht.io/assembly/recipes/per-dispatch-overrides.md'
description: >-
  Use the stash channel to retarget a single iteration to a different model,
  helper, or envelope shape.
---

# Override adapter options per dispatch

This pattern is covered in full in [LLM batteries → Per-Dispatch Overrides](../batteries-llm#per-dispatch-overrides).

The three-layer merging system — constructor baseline → executor overrides → per-iteration stash — and the `OpenAIChatCompletionsAdapter.STASH_KEY` channel are documented there with a complete middleware example.