# Update manifest

Updates an existing manifest's assets and/or custom fields.This update endpoint uses a declarative updates, meaning Zimark will automatically handle deleting, adding, or updating 
assets and/or custom fields for you.

 For updating other properties like status and gate assignment, use the specific endpoints.

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

## Path parameters:

  - `manifestExternalId` (string, required)
    Unique external id of the manifest. AnE eternal id is often an id based on the WMS Zimark is integrated with, e.g. an order id.
    Example: "MAN-2024-001"

## Request fields (application/json):

  - `assets` (array)
    Optional list of asset (track) identifiers to set or update for the manifest.

  - `customFields` (array)
    Optional custom fields to set or update for the manifest.

  - `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 400 fields (*/*):

  - `code` (string)
    Error code

  - `message` (string)
    Error message

  - `timeStamp` (integer)
    Timestamp

  - `correlationId` (string)
    Correlation id

## Response 404 fields (*/*):

  - `code` (string)
    Error code

  - `message` (string)
    Error message

  - `timeStamp` (integer)
    Timestamp

  - `correlationId` (string)
    Correlation id

## Response 500 fields (*/*):

  - `code` (string)
    Error code

  - `message` (string)
    Error message

  - `timeStamp` (integer)
    Timestamp

  - `correlationId` (string)
    Correlation id