kibana/docs/development/plugins/expressions/server/kibana-plugin-plugins-expressions-server.expressionfunction.migrations.md

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[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-server](./kibana-plugin-plugins-expressions-server.md) &gt; [ExpressionFunction](./kibana-plugin-plugins-expressions-server.expressionfunction.md) &gt; [migrations](./kibana-plugin-plugins-expressions-server.expressionfunction.migrations.md)

## ExpressionFunction.migrations property

<b>Signature:</b>

```typescript
migrations: {
        [key: string]: (state: SerializableState) => SerializableState;
    };
```