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# Mastra.listGateways()

傳回以註冊鍵為索引的所有已註冊 gateway 的記錄。

## 使用範例

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

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

const gateways = mastra.listGateways()
console.log(Object.keys(gateways)) // ['myGateway', 'anotherGateway']

// Iterate over all gateways
for (const [key, gateway] of Object.entries(gateways)) {
  console.log(`${key}: ${gateway.name}`)
}
```

## 參數

無。

## 傳回值

**gateways** (`Record<string, MastraModelGateway>`): 以註冊鍵為索引的 gateway 執行個體記錄

## 相關內容

- [Mastra.getGateway()](https://mastra.zisheng.pro/zh-TW/reference/core/getGateway): 依註冊鍵取得 gateway
- [Mastra.getGatewayById()](https://mastra.zisheng.pro/zh-TW/reference/core/getGatewayById): 依 ID 取得 gateway
- [Mastra.addGateway()](https://mastra.zisheng.pro/zh-TW/reference/core/addGateway): 新增 gateway
- [MastraModelGateway](https://mastra.zisheng.pro/zh-TW/reference/core/mastra-model-gateway): Gateway 基類
- [自訂 Gateway 指南](https://mastra.zisheng.pro/zh-TW/models/gateways/custom-gateways): 建立自訂 gateway