# TransformOperationSourceProperty

Specifies the source of data for a transform operation, including the source operation and column mappings.

- Source: Generated code
- Type last changed: v2.224.0 · 13 Nov 2025

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_quicksight as quicksight } from 'aws-cdk-lib';
const transformOperationSourceProperty: quicksight.CfnDataSet.TransformOperationSourceProperty = {
  transformOperationId: 'transformOperationId',

  // the properties below are optional
  columnIdMappings: [{
    sourceColumnId: 'sourceColumnId',
    targetColumnId: 'targetColumnId',
  }],
};
```

## Properties

- `columnIdMappings`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [CfnDataSet.DataSetColumnIdMappingProperty](/cdk/api/v2/docs/aws-cdk-lib.aws_quicksight.CfnDataSet.DataSetColumnIdMappingProperty.html)[] — The mappings between source column identifiers and target column identifiers for this transformation.

- `transformOperationId`: string (required) — The identifier of the transform operation that provides input data.