PUT /assets/{asset_id}/fields

curl --request PUT \
     --url https://api.cmp.optimizely.com/v3/assets/{asset_id}/fields \
     --header 'accept: application/json'

var myHeaders = new Headers();
myHeaders.append("accept", "application/json");

var requestOptions = {
   method: 'PUT',
   headers: myHeaders,
   redirect: 'follow'
};

fetch("https://api.cmp.optimizely.com/v3/assets/{asset_id}/fields", requestOptions)
   .then(response => response.text())
   .then(result => console.log(result))
   .catch(error => console.log('error', error));

require "uri"
require "net/http"

url = URI("https://api.cmp.optimizely.com/v3/assets/{asset_id}/fields")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Put.new(url)
request["accept"] = "application/json"

response = https.request(request)
puts response.read_body

import requests

url = "https://api.cmp.optimizely.com/v3/assets/{asset_id}/fields"

payload = {}
headers = {
   'accept': 'application/json'
}

response = requests.request("PUT", url, headers=headers, data=payload)

print(response.text)

// List of fields after replacement
{
  "data": {},
  "links": {
    "asset_fields": "https://api.cmp.optimizely.com/v3/assets/5f857f30e1c4a2038d6179e9/fields",
    "asset_url": "https://api.cmp.optimizely.com/v3/asset-urls/5f857f30e1c4a2038d6179e9"
  }
}

// Client error
{
  "message": "Not found",
  "errors": ""
}

// Authorization error
{
  "message": "Not found",
  "errors": ""
}

// Permission error
{
  "message": "Not found",
  "errors": ""
}

// Not found error
{
  "message": "Not found",
  "errors": ""
}