---
title: "Dataset Handler"
method: POST
path: "/api/v1/datasets/playground_experiment/batch"
tags: ["datasets"]
---

# Dataset Handler

`POST /api/v1/datasets/playground_experiment/batch`

## Request body

- PlaygroundRunOverDatasetBatchRequestSchema
  - `manifest` unknown, required
  - `secrets` object, required
  - `run_id` string, nullable
  - `repo_id` string, nullable
  - `tools` unknown[], nullable
    - unknown
  - `tool_choice` string, nullable
  - `parallel_tool_calls` boolean, nullable
  - `options` RunnableConfig, required — Configuration for a `Runnable`. !!! note Custom values The `TypedDict` has `total=False` set intentionally to: - Allow partial configs to be created and merged together via `merge_configs` - Support config propagation from parent to child runnables via `var_child_runnable_config` (a `ContextVar` that automatically passes config down the call stack without explicit parameter passing), where configs are merged rather than replaced !!! example ```python # Parent sets tags chain.invoke(input, config={"tags": ["parent"]}) # Child automatically inherits and can add: # ensure_config({"tags": ["child"]}) -> {"tags": ["parent", "child"]} ```
    - `tags` string[]
    - `metadata` object
    - `callbacks` union
      - unknown[]
        - unknown
      - unknown
    - `run_name` string
    - `max_concurrency` integer, nullable
    - `recursion_limit` integer
    - `configurable` object
    - `run_id` string, uuid, nullable
  - `project_name` string, required
  - `repo_handle` string, nullable
  - `owner` string, nullable
  - `commit` string, nullable
  - `evaluator_rules` string[], nullable
  - `requests_per_second` integer, nullable
  - `use_or_fallback_to_workspace_secrets` boolean
  - `runner_context` 'langsmith_ui' | 'langsmith_align_evals'
  - `dataset_id` string, uuid, required
  - `dataset_splits` string[], nullable
  - `repetitions` integer
  - `metadata` object, nullable
  - `batch_size` integer, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/langchain-ai/apis/langsmith.md) · [All operations](https://skmtc.net/langchain-ai/apis/langsmith/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/langchain-ai/langsmith/versions/a0acb3a6a101/schema)