+++
# -----------------------------------------------------------------------
# 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>

```typescript
import { DataTransformer } from '@grafana/data';
```