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# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
title = "DataTransformer"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
## DataTransformer type
### DataTransformer type
Function that transform data frames (AKA transformer)
<b>Signature</b>
```typescript
export declare type DataTransformer = (data: DataFrame[]) => DataFrame[];
```
<b>Import</b>
import { DataTransformer } from '@grafana/data';