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### Schema (`response.body`)

```yaml
openapi: 3.1.0
info:
  title: API
  version: 1.0.0
paths:
  /customer-metadata-schema-test:
    get:
      operationId: subpackageSchemas_get-customer-metadata-schema-test
      summary: Get CustomerMetadata Schema Test
      description: Describes metadata about a customer in a customer request.
      tags:
        - subpackage_schemas
      parameters:
        - name: X-Region
          in: header
          description: >-
            The IATA airport code from the list of accepted regions that is
            closest to the area your server(s) is operating in.
          required: true
          schema:
            type: string
        - name: X-Signature
          in: header
          description: >-
            An HMAC signature generated using the secret value from the API key
            specified in the `Authorization` header. See [signing
            requests](https://developers.cash.app/docs/partner/technical-documentation/api-fundamentals/requests/signing-requests)
            for more information.
          required: true
          schema:
            type: string
            minLength: 1
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/schemas_get-customer-metadata-schema-test_Response_200
tags:
  - name: subpackage_schemas
servers:
  - url: https://api.cash.app/customer-request/v1
    description: Production
  - url: https://sandbox.api.cash.app/customer-request/v1
    description: Sandbox
components:
  schemas:
    CustomerMetadata:
      type: object
      properties:
        reference_id:
          type: string
          description: >-
            The `reference_id` of the customer approving this request. When a
            customer approves this request, that customer will be associated
            with this `reference_id`.
      description: Metadata to associate with the customer that approves this request.
      title: CustomerMetadata
    schemas_get-customer-metadata-schema-test_Response_200:
      type: object
      properties:
        customer_metadata:
          $ref: '#/components/schemas/CustomerMetadata'
      required:
        - customer_metadata
      title: schemas_get-customer-metadata-schema-test_Response_200

```

**`Example`**

```json Example
{
  "reference_id": "external-id"
}
```