using RestSharp;


var options = new RestClientOptions("http://localhost:56350/api/v1/Agents/Preference/SavePreferenceDescriptionLines");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"PreferenceDescriptionLines\": [\n    {\n      \"PrefDescLineId\": 123,\n      \"PrefDescId\": 123,\n      \"PrefValue\": \"<string>\",\n      \"PrefShowValue\": \"<string>\",\n      \"Description\": \"<string>\",\n      \"IsBuiltin\": true,\n      \"TableRight\": {\n        \"Mask\": \"<string>\",\n        \"Reason\": \"<string>\"\n      },\n      \"FieldProperties\": {}\n    }\n  ]\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    PreferenceDescriptionLines: [
      {
        PrefDescLineId: 123,
        PrefDescId: 123,
        PrefValue: '<string>',
        PrefShowValue: '<string>',
        Description: '<string>',
        IsBuiltin: true,
        TableRight: {Mask: '<string>', Reason: '<string>'},
        FieldProperties: {}
      }
    ]
  })
};

fetch('http://localhost:56350/api/v1/Agents/Preference/SavePreferenceDescriptionLines', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "56350",
  CURLOPT_URL => "http://localhost:56350/api/v1/Agents/Preference/SavePreferenceDescriptionLines",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'PreferenceDescriptionLines' => [
        [
                'PrefDescLineId' => 123,
                'PrefDescId' => 123,
                'PrefValue' => '<string>',
                'PrefShowValue' => '<string>',
                'Description' => '<string>',
                'IsBuiltin' => true,
                'TableRight' => [
                                'Mask' => '<string>',
                                'Reason' => '<string>'
                ],
                'FieldProperties' => [
                                
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

import requests

url = "http://localhost:56350/api/v1/Agents/Preference/SavePreferenceDescriptionLines"

payload = { "PreferenceDescriptionLines": [
        {
            "PrefDescLineId": 123,
            "PrefDescId": 123,
            "PrefValue": "<string>",
            "PrefShowValue": "<string>",
            "Description": "<string>",
            "IsBuiltin": True,
            "TableRight": {
                "Mask": "<string>",
                "Reason": "<string>"
            },
            "FieldProperties": {}
        }
    ] }
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    PreferenceDescriptionLines: [
      {
        PrefDescLineId: 123,
        PrefDescId: 123,
        PrefValue: '<string>',
        PrefShowValue: '<string>',
        Description: '<string>',
        IsBuiltin: true,
        TableRight: {Mask: '<string>', Reason: '<string>'},
        FieldProperties: {}
      }
    ]
  })
};

fetch('http://localhost:56350/api/v1/Agents/Preference/SavePreferenceDescriptionLines', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

[
  {
    "PrefDescLineId": 123,
    "PrefDescId": 123,
    "PrefValue": "<string>",
    "PrefShowValue": "<string>",
    "Description": "<string>",
    "IsBuiltin": true,
    "TableRight": {
      "Mask": "<string>",
      "Reason": "<string>"
    },
    "FieldProperties": {}
  }
]