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# Mastra.getGateway()

按注册键（将 gateway 添加到 Mastra 时使用的键）获取 gateway。

## 使用示例

```typescript
import { Mastra } from '@mastra/core'

const mastra = new Mastra({
  gateways: {
    myGateway: new MyCustomGateway(),
  },
})

const gateway = mastra.getGateway('myGateway')
console.log(gateway.name) // 'My Custom Gateway'
```

## 参数

**key** (`string`): gateway 的注册键

## 返回值

**gateway** (`MastraModelGateway`): 该 gateway 实例

## 抛出错误

如果找不到具有指定键的 gateway，则抛出错误。

## 相关内容

- [Mastra.getGatewayById()](https://mastra.zisheng.pro/reference/core/getGatewayById): 按 ID 获取 gateway
- [Mastra.listGateways()](https://mastra.zisheng.pro/reference/core/listGateways): 列出所有 gateway
- [Mastra.addGateway()](https://mastra.zisheng.pro/reference/core/addGateway): 添加 gateway
- [MastraModelGateway](https://mastra.zisheng.pro/reference/core/mastra-model-gateway): Gateway 基类
- [自定义 Gateway 指南](https://mastra.zisheng.pro/models/gateways/custom-gateways): 创建自定义 gateway