> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/datadesigner/llms.txt.
> For full documentation content, see https://docs.nvidia.com/nemo/datadesigner/llms-full.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/datadesigner/_mcp/server.

# Data Designer Configuration

[DataDesignerConfig](#data_designer.config.data_designer_config.DataDesignerConfig) is the main configuration object for builder datasets with Data Designer. It is a declarative configuration for defining the dataset you want to generate column-by-column, including options for dataset post-processing, validation, and profiling.

Generally, you should use the [DataDesignerConfigBuilder](/code-reference/config/config-builder#data_designer.config.config_builder.DataDesignerConfigBuilder) to build your configuration, but you can also build it manually by instantiating the [DataDesignerConfig](#data_designer.config.data_designer_config.DataDesignerConfig) class directly.