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

# DatasetSchemaResponse

> Response from dataset schema introspection.

## Attributes

<ResponseField name="total_items">
  Number of dataset items scanned by schema discovery.
</ResponseField>

<ResponseField name="sampled">
  `True` when schema discovery scanned a sample of the dataset's items,
  so the counts describe that sample rather than every item.
</ResponseField>

<ResponseField name="inputs">
  Fields found in the `inputs` bucket of the dataset's items, with
  coverage counts and inferred data types.
</ResponseField>

<ResponseField name="expected_outputs">
  Fields found in the `expected_outputs` bucket of the dataset's items.
</ResponseField>

<ResponseField name="metadata">
  Fields found in the `metadata` bucket of the dataset's items.
</ResponseField>

<ResponseField name="extras">
  Fields found in the `extras` bucket of the dataset's items.
</ResponseField>