# Class: CustomerGroupService

Provides layer to manipulate discounts.

**`implements`** {BaseService}

## Hierarchy

- `"medusa-interfaces"`

  ↳ **`CustomerGroupService`**

## Constructors

### constructor

• **new CustomerGroupService**(`__namedParameters`)

#### Parameters

| Name | Type |
| :------ | :------ |
| `__namedParameters` | `CustomerGroupConstructorProps` |

#### Overrides

BaseService.constructor

#### Defined in

[services/customer-group.ts:31](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L31)

## Properties

### customerGroupRepository\_

• `Private` **customerGroupRepository\_**: typeof `CustomerGroupRepository`

#### Defined in

[services/customer-group.ts:27](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L27)

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### customerService\_

• `Private` **customerService\_**: [`CustomerService`](CustomerService.md)

#### Defined in

[services/customer-group.ts:29](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L29)

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### manager\_

• `Private` **manager\_**: `EntityManager`

#### Defined in

[services/customer-group.ts:25](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L25)

## Methods

### addCustomers

▸ **addCustomers**(`id`, `customerIds`): `Promise`<`CustomerGroup`\>

Add a batch of customers to a customer group at once

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | id of the customer group to add customers to |
| `customerIds` | `string` \| `string`[] | customer id's to add to the group |

#### Returns

`Promise`<`CustomerGroup`\>

the customer group after insertion

#### Defined in

[services/customer-group.ts:113](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L113)

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### create

▸ **create**(`group`): `Promise`<`CustomerGroup`\>

Creates a customer group with the provided data.

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `group` | `DeepPartial`<`CustomerGroup`\> | the customer group to create |

#### Returns

`Promise`<`CustomerGroup`\>

the result of the create operation

#### Defined in

[services/customer-group.ts:86](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L86)

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### delete

▸ **delete**(`groupId`): `Promise`<`void`\>

Remove customer group

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `groupId` | `string` | id of the customer group to delete |

#### Returns

`Promise`<`void`\>

a promise

#### Defined in

[services/customer-group.ts:194](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L194)

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### list

▸ **list**(`selector?`, `config`): `Promise`<`CustomerGroup`[]\>

List customer groups.

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `selector` | `FilterableCustomerGroupProps` | the query object for find |
| `config` | `FindConfig`<`CustomerGroup`\> | the config to be used for find |

#### Returns

`Promise`<`CustomerGroup`[]\>

the result of the find operation

#### Defined in

[services/customer-group.ts:217](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L217)

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### listAndCount

▸ **listAndCount**(`selector?`, `config`): `Promise`<[`CustomerGroup`[], `number`]\>

Retrieve a list of customer groups and total count of records that match the query.

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `selector` | `FilterableCustomerGroupProps` | the query object for find |
| `config` | `FindConfig`<`CustomerGroup`\> | the config to be used for find |

#### Returns

`Promise`<[`CustomerGroup`[], `number`]\>

the result of the find operation

#### Defined in

[services/customer-group.ts:236](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L236)

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### removeCustomer

▸ **removeCustomer**(`id`, `customerIds`): `Promise`<`CustomerGroup`\>

Remove list of customers from a customergroup

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `id` | `string` | id of the customer group from which the customers are removed |
| `customerIds` | `string` \| `string`[] | id's of the customer to remove from group |

#### Returns

`Promise`<`CustomerGroup`\>

the customergroup with the provided id

#### Defined in

[services/customer-group.ts:271](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L271)

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### retrieve

▸ **retrieve**(`id`, `config?`): `Promise`<`CustomerGroup`\>

#### Parameters

| Name | Type |
| :------ | :------ |
| `id` | `string` |
| `config` | `Object` |

#### Returns

`Promise`<`CustomerGroup`\>

#### Defined in

[services/customer-group.ts:62](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L62)

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### update

▸ **update**(`customerGroupId`, `update`): `Promise`<`CustomerGroup`[]\>

Update a customer group.

#### Parameters

| Name | Type | Description |
| :------ | :------ | :------ |
| `customerGroupId` | `string` | id of the customer group |
| `update` | `CustomerGroupUpdate` | customer group partial data |

#### Returns

`Promise`<`CustomerGroup`[]\>

resulting customer group

#### Defined in

[services/customer-group.ts:162](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L162)

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### withTransaction

▸ **withTransaction**(`transactionManager`): [`CustomerGroupService`](CustomerGroupService.md)

#### Parameters

| Name | Type |
| :------ | :------ |
| `transactionManager` | `EntityManager` |

#### Returns

[`CustomerGroupService`](CustomerGroupService.md)

#### Defined in

[services/customer-group.ts:46](https://github.com/medusajs/medusa/blob/2d3e404f/packages/medusa/src/services/customer-group.ts#L46)