DataDesigner/docs/code_reference/interface/index.md

# Interface Package

The `data-designer` package provides the top-level user-facing package surface. This section covers `data_designer.interface`, which contains `DataDesigner`, persisted dataset creation results, and interface-level errors.

This package sits above engine and config. `DataDesigner` accepts Data Designer configs, calls the runtime layer, and returns preview or persisted creation results.

Start with [DataDesigner](data_designer.md) for previewing, creating, and inspecting datasets from a config. Use [results](results.md) for the object returned by persisted dataset creation, and [errors](errors.md) for exceptions surfaced at the public API boundary.
Initialize orphan Fern docs website branch Preserves tree from previous docs-website head: 5e47d33ea8432f9640eda8f59b921b1189d16d06. This branch is a CI-managed publish artifact like gh-pages; source provenance is tracked in commit messages rather than Git ancestry. 2026-05-14 01:17:51 +00:00			`# Interface Package`

			The `data-designer` package provides the top-level user-facing package surface. This section covers `data_designer.interface`, which contains `DataDesigner`, persisted dataset creation results, and interface-level errors.

			This package sits above engine and config. `DataDesigner` accepts Data Designer configs, calls the runtime layer, and returns preview or persisted creation results.

			`Start with [DataDesigner](data_designer.md) for previewing, creating, and inspecting datasets from a config. Use [results](results.md) for the object returned by persisted dataset creation, and [errors](errors.md) for exceptions surfaced at the public API boundary.`