> Documentation index: [Saleor](/llms.txt) · [This section](/api-reference/users/llms.txt)
> Source: https://docs.saleor.io/api-reference/users/inputs/customer-bulk-update-input

# CustomerBulkUpdateInput Input Type

No description

```graphql
input CustomerBulkUpdateInput {
  id: ID
  externalReference: String
  input: CustomerInput!
}
```

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### Fields

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#### [`id`](#id) ● [`ID`](/api-reference/miscellaneous/scalars/id.md)

ID of a customer to update.

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#### [`externalReference`](#external-reference) ● [`String`](/api-reference/miscellaneous/scalars/string.md)

External ID of a customer to update.

<a id="input"></a>

#### [`input`](#input) ● [`CustomerInput!`](/api-reference/users/inputs/customer-input.md)

Fields required to update a customer.

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### Member Of

[`customerBulkUpdate`](/api-reference/users/mutations/customer-bulk-update.md) mutation