using RestSharp;


var options = new RestClientOptions("http://localhost:56350/api/v1/Agents/List/SaveListItemEntity");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddJsonBody("{\n  \"ListItemEntity\": {\n    \"Id\": 123,\n    \"Name\": \"<string>\",\n    \"Tooltip\": \"<string>\",\n    \"Deleted\": true,\n    \"UdListDefinitionId\": 123,\n    \"Rank\": 123,\n    \"TableRight\": {\n      \"Mask\": \"<string>\",\n      \"Reason\": \"<string>\"\n    },\n    \"FieldProperties\": {}\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({
    ListItemEntity: {
      Id: 123,
      Name: '<string>',
      Tooltip: '<string>',
      Deleted: true,
      UdListDefinitionId: 123,
      Rank: 123,
      TableRight: {Mask: '<string>', Reason: '<string>'},
      FieldProperties: {}
    }
  })
};

fetch('http://localhost:56350/api/v1/Agents/List/SaveListItemEntity', 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/List/SaveListItemEntity",
  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([
    'ListItemEntity' => [
        'Id' => 123,
        'Name' => '<string>',
        'Tooltip' => '<string>',
        'Deleted' => true,
        'UdListDefinitionId' => 123,
        'Rank' => 123,
        '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/List/SaveListItemEntity"

payload = { "ListItemEntity": {
        "Id": 123,
        "Name": "<string>",
        "Tooltip": "<string>",
        "Deleted": True,
        "UdListDefinitionId": 123,
        "Rank": 123,
        "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({
    ListItemEntity: {
      Id: 123,
      Name: '<string>',
      Tooltip: '<string>',
      Deleted: true,
      UdListDefinitionId: 123,
      Rank: 123,
      TableRight: {Mask: '<string>', Reason: '<string>'},
      FieldProperties: {}
    }
  })
};

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

{
  "Id": 123,
  "Name": "<string>",
  "Tooltip": "<string>",
  "Deleted": true,
  "UdListDefinitionId": 123,
  "Rank": 123,
  "TableRight": {
    "Mask": "<string>",
    "Reason": "<string>"
  },
  "FieldProperties": {}
}