> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.app/llms.txt
> Use this file to discover all available pages before exploring further.

# The EvaluationSet object

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

<Expandable title="properties" defaultOpen>
  <ResponseField name="object" type="string">
    The type of the object, in this case it will always be "evaluation\_set".
  </ResponseField>

  <ResponseField name="id" type="string">
    The evaluation set ID.
  </ResponseField>

  <ResponseField name="name" type="string">
    The name of the evaluation set.
  </ResponseField>

  <ResponseField name="description" type="string">
    A description of the evaluation set.
  </ResponseField>

  <ResponseField name="processorId" type="string">
    The ID of the processor associated with this evaluation set.
  </ResponseField>

  <ResponseField name="createdAt" type="string">
    The date and time the evaluation set was created.
  </ResponseField>

  <ResponseField name="updatedAt" type="string">
    The date and time the evaluation set was last updated.
  </ResponseField>
</Expandable>

<ResponseExample>
  ```json Example EvaluationSet theme={null}
  {
    "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"
  }
  ```
</ResponseExample>