> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.ai/llms.txt
> Use this file to discover all available pages before exploring further.
>
> ## API version
> The current API version is `2026-02-09`, served at the site root (no version prefix in URLs).
> If this page URL contains `/2025-04-21/` or `/2024-12-23/`, you are reading an older API version.
> Prefer the current docs at https://docs.extend.ai/llms.txt unless the user explicitly needs that older version.
> Do not treat older-version pages as the source of truth for new integrations.

# The EvaluationSet object

The EvaluationSet object represents an evaluation set in Extend. Evaluation sets are collections of files and expected outputs that are used to evaluate the performance of a given processor in Extend.

#### properties

**`object`** `string`

The type of the object, in this case it will always be "evaluation\_set".

---

**`id`** `string`

The evaluation set ID.

---

**`name`** `string`

The name of the evaluation set.

---

**`description`** `string`

A description of the evaluation set.

---

**`processorId`** `string`

The ID of the processor associated with this evaluation set.

---

**`createdAt`** `string`

The date and time the evaluation set was created.

---

**`updatedAt`** `string`

The date and time the evaluation set was last updated.

---

**`Example EvaluationSet`**

```json Example EvaluationSet
{
  "object": "evaluation_set",
  "id": "eval_set_1234",
  "name": "example_evaluation_set",
  "description": "This is an example evaluation set.",
  "processorId": "processor_1234",
  "createdAt": "2024-01-01T00:00:00Z",
  "updatedAt": "2024-01-01T00:00:00Z"
}
```

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