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# BaseManager class reference

> Reference for BaseManager, the shared parent class for SDK resource managers that handles transport, response mapping, and default options.

# Class: BaseManager

## Extended by

* [`ContainerManager`](/sdk/reference/client/managers/classes/ContainerManager)
* [`ShipmentManager`](/sdk/reference/client/managers/classes/ShipmentManager)
* [`ShippingLineManager`](/sdk/reference/client/managers/classes/ShippingLineManager)
* [`TrackingRequestManager`](/sdk/reference/client/managers/classes/TrackingRequestManager)

## Constructors

### Constructor

> **new BaseManager**(`transport`, `defaultFormat?`): `BaseManager`

#### Parameters

| Parameter       | Type                                                                         | Default value |
| --------------- | ---------------------------------------------------------------------------- | ------------- |
| `transport`     | [`Transport`](/sdk/reference/client/transport/classes/Transport)             | `undefined`   |
| `defaultFormat` | [`ResponseFormat`](/sdk/reference/types/options/type-aliases/ResponseFormat) | `'raw'`       |

#### Returns

`BaseManager`