# Upsert manifest assets (deprecated)

Endpoint: POST /integration/rest/api/v1/manifest/{manifestExternalId}/upsert-assets
Version: v1
Security: X-AUTH-KEY

## Path parameters:

  - `manifestExternalId` (string, required)

## Request fields (application/json):

  - `assets` (array, required)
    List of asset (track) identifiers to add or update on the manifest.

  - `customFields` (array)
    Optional custom fields to apply to the manifest during the upsert operation.

  - `customFields.fieldKey` (string)
    Unique key (name) of the custom field. This must match the configured field name.

  - `customFields.fieldValue` (string)
    Value of the custom field as a string. For numeric fields, send the number as a string.

## Response 200 fields (*/*):

  - `uuid` (string)

## Response 500 fields (*/*):

  - `code` (string)
    Error code

  - `message` (string)
    Error message

  - `timeStamp` (integer)
    Timestamp

  - `correlationId` (string)
    Correlation id