+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "PanelMigrationHandler"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++

## PanelMigrationHandler type

### PanelMigrationHandler type

Called when a panel is first loaded with current panel model

<b>Signature</b>

```typescript
export declare type PanelMigrationHandler<TOptions = any> = (panel: PanelModel<TOptions>) => Partial<TOptions>;
```
<b>Import</b>

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