# CustomerIdentifierInput - admin - INPUT_OBJECT
Version: unstable

## Description
The input fields for identifying a customer.

### Access Scopes



## Fields
* [customId](/docs/api/admin/unstable/input-objects/UniqueMetafieldValueInput): UniqueMetafieldValueInput - The [custom ID](https://shopify.dev/docs/apps/build/custom-data/metafields/working-with-custom-ids) of the customer.
* [emailAddress](/docs/api/admin/unstable/scalars/String): String - The email address of the customer.
* [id](/docs/api/admin/unstable/scalars/ID): ID - The ID of the customer.
* [phoneNumber](/docs/api/admin/unstable/scalars/String): String - The phone number of the customer.


## Input objects with this input object
* [QueryRoot](/docs/api/admin/unstable/arguments/QueryRoot)
* [customerByIdentifier](/docs/api/admin/unstable/queries/customerByIdentifier)


## Examples