# Starts the Tiered Purchase Order Approval process

Endpoint: POST /purchaseOrders/{id}/requestTieredApproval
Version: v3.0: 3.26.2.3
Security: Auth API User Token

## Path parameters:

  - `id` (string, required)
    CommDoc Id of Purchase Order

## Response 200 fields (application/json):

  - `userId` (string)

  - `emailSent` (boolean)

  - `notified` (boolean)

## Response 500 fields (application/json):

  - `message` (string,null)

  - `errors` (array,null)

  - `errors.extensions` (string,null)


## Response 429 fields