# Link a customer identification to a credit line application

Links a customer identification resource to their credit line application. You must add the identification_id in the request body. To retrieve the identification ID, call the GET Retrieve consumer credit line application. It should be included in the payload as soon as the identification has been created for the customer.

Endpoint: PUT /v1/persons/{person_id}/credit_line_applications/{application_id}/identification
Version: 1.0

## Path parameters:

  - `person_id` (string, required)
    The person ID of the customer applying for the credit line.

  - `application_id` (string, required)
    The unique consumer credit line application ID assigned to a specific customer.

## Request fields (application/json):

  - `identification_id` (string, required)
    The unique ID of a customer's identification resource.
    Example: "9e2e85c62230a652325964282c84559fcidt"

## Response 400 fields (application/json):

  - `code` (string)
    Example: "build_pagination_headers_failure"

  - `detail` (string)
    Example: "Cannot connect to database."

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `status` (string)
    Example: "400"

  - `title` (string)
    Example: "Failed to build pagination headers."

## Response 403 fields (application/json):

  - `code` (string)
    Example: "unauthorized_action"

  - `detail` (string)
    Example: "Unauthorized action is not allowed."

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `status` (string)
    Example: "403"

  - `title` (string)
    Example: "Unauthorized Action"

## Response 404 fields (application/json):

  - `code` (string)
    Example: "model_not_found"

  - `detail` (string)
    Example: "Couldn't find 'Account' for id 'DE24112233445566'."

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `status` (string)
    Example: "404"

  - `title` (string)
    Example: "Model Not Found"

## Response 409 fields (application/json):

  - `title` (string)
    Example: "Record Not Unique"

  - `status` (string)
    Example: "409"

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `detail` (string)
    Example: "Could not save `terms_and_conditions_event`."

  - `code` (string)
    Example: "record_not_unique"

## Response 422 fields (application/json):

  - `errors` (array, required)

  - `errors.id` (string, required)
    A UUID, preferably the request ID

  - `errors.status` (integer, required)
    The HTTP status

  - `errors.code` (string, required)
    some_computer_friendly_string

  - `errors.title` (string, required)
    Some short human friendly string

  - `errors.detail` (string, required)
    Some human friendly-ish detail: field is required

  - `errors.backtrace` (array,null)
    Optional array of backtrace lines

  - `errors.source` (object,null)
    Optional computer-friendly error source description
    Example: {"field":"name","message":"is_required"}

  - `errors.source.field` (string, required)
    Example: "name"

  - `errors.source.message` (string, required)
    Example: "is_required"