curl --request PUT \
  --url https://api-dev.narrative.io/mappings/{mapping_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "mapping": {
    "type": "object_mapping",
    "property_mappings": [
      {
        "expression": "<string>",
        "path": "<string>"
      }
    ]
  }
}
'

import requests

url = "https://api-dev.narrative.io/mappings/{mapping_id}"

payload = { "mapping": {
        "type": "object_mapping",
        "property_mappings": [
            {
                "expression": "<string>",
                "path": "<string>"
            }
        ]
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    mapping: {
      type: 'object_mapping',
      property_mappings: [{expression: '<string>', path: '<string>'}]
    }
  })
};

fetch('https://api-dev.narrative.io/mappings/{mapping_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-dev.narrative.io/mappings/{mapping_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'mapping' => [
        'type' => 'object_mapping',
        'property_mappings' => [
                [
                                'expression' => '<string>',
                                'path' => '<string>'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-dev.narrative.io/mappings/{mapping_id}"

	payload := strings.NewReader("{\n  \"mapping\": {\n    \"type\": \"object_mapping\",\n    \"property_mappings\": [\n      {\n        \"expression\": \"<string>\",\n        \"path\": \"<string>\"\n      }\n    ]\n  }\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://api-dev.narrative.io/mappings/{mapping_id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"mapping\": {\n    \"type\": \"object_mapping\",\n    \"property_mappings\": [\n      {\n        \"expression\": \"<string>\",\n        \"path\": \"<string>\"\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-dev.narrative.io/mappings/{mapping_id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"mapping\": {\n    \"type\": \"object_mapping\",\n    \"property_mappings\": [\n      {\n        \"expression\": \"<string>\",\n        \"path\": \"<string>\"\n      }\n    ]\n  }\n}"

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

{
  "id": "ea9dddd2-e3ee-40b5-b03e-c3cd37c8a7f0",
  "attribute_id": 1,
  "created_at": "2021-12-10T00:00:00Z",
  "dataset_id": 3,
  "mapping": {
    "type": "object_mapping",
    "property_mappings": [
      {
        "path": "foo",
        "expression": "upper(`US Kennel ID`)",
        "dependencies": {
          "properties": [
            "US Kennel ID"
          ]
        }
      },
      {
        "path": "bar.baz.qux",
        "expression": "weight * 10000",
        "dependencies": {
          "properties": [
            "weight"
          ]
        }
      }
    ]
  },
  "status": "active",
  "updated_at": "2021-12-10T00:00:01Z",
  "created_by": 1,
  "updated_by": 1,
  "company_id": 100,
  "scope": "global",
  "source": "admin",
  "derived_from": "ea9dddd2-e3ee-40b5-b03e-c3cd37c8a6f0"
}