[Node-DuckDB API](./node-duckdb.md) > [IDuckDBConfig](./node-duckdb.iduckdbconfig.md) ## IDuckDBConfig interface Configuration object for DuckDB Signature: ```typescript export interface IDuckDBConfig ``` ## Properties | Property | Type | Description | | -------------------------------------------------- | ------------------------------------------------------------- | ---------------------------------------------------------------------------------------- | | [options?](./node-duckdb.iduckdbconfig.options.md) | [IDuckDBOptionsConfig](./node-duckdb.iduckdboptionsconfig.md) | (Optional) | | [path?](./node-duckdb.iduckdbconfig.path.md) | string | (Optional) Path to the database file. If undefined, in-memory database is created |