# TrainingDataConfigProperty

The training data configuration to use when creating a domain recommender.

- Source: Generated code
- Type last changed: v2.276.0 · 10 Nov 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_personalize as personalize } from 'aws-cdk-lib';
const trainingDataConfigProperty: personalize.CfnRecommender.TrainingDataConfigProperty = {
  excludedDatasetColumns: {
    excludedDatasetColumnsKey: ['excludedDatasetColumns'],
  },
};
```

## Properties

- `excludedDatasetColumns`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | { [key: string]: string[] } — Specifies the columns to exclude from training.

  Each key is a dataset type, and each value is a list of columns.