How to authenticate signers with an access code before allowing them to sign the document using BoldSign API?

curl -X 'POST' \
  'https://api.boldsign.com/v1/document/send' \
  -H 'accept: application/json' \
  -H 'X-API-KEY: {your API key}' \
  -H 'Content-Type: multipart/form-data' \
  -F 'Title="Sample Document"' \
  -F 'Signers={
  "name": "hanky",
  "emailAddress": "hankyWhites@gmail.com",
  "signerType": "Signer",
  "signerRole": "Signer",
  "authenticationType": "AccessCode",
  "authenticationCode": "1234",
  "formFields": [
    {
      "id": "EditableDate",
      "name": "EditableDate",
      "fieldType": "EditableDate",
      "pageNumber": 1,
      "bounds": {
        "x": 200,
        "y": 200,
        "width": 125,
        "height": 25
      },
      "isRequired": true,
      "editableDateFieldSettings": {
        "dateFormat": "dd/MM/yyyy",
        "minDate": "2023-07-01T18:18:08.567Z",
        "maxDate": "2023-07-31T18:18:08.567Z"
        }
    }
  ],
  "locale": "EN"
}' \
  -F 'Files=@{your file}' \

var apiClient = new ApiClient("https://api.boldsign.com", "{Your API key}");
var documentClient = new DocumentClient(apiClient);

var documentFilePath = new DocumentFilePath
{
    ContentType = "application/pdf",
    FilePath = "{Your File path}"
};

var filesToUpload = new List<IDocumentFile>
{
    documentFilePath,
};

var EditableDateField = new FormField(
    id: "EditableDate",
    isRequired: true,
    type: FieldType.EditableDate,
    pageNumber: 1,
    bounds: new Rectangle(x: 200, y: 200, width: 125, height: 25),
    editableDateFieldSettings: new EditableDateFieldSettings(dateFormat:"dd/MM/yyyy", minDate: DateTime.Now, maxDate: DateTime.Now.AddDays(10)));

var formFieldCollections = new List<FormField>()
{
    EditableDateField
};

var signer = new DocumentSigner(
    signerName: "David",
    signerEmail: "david@cubeflakes.com",
    formFields: formFieldCollections,
    authenticationType: AuthenticationType.AccessCode,
    authenticationCode: "1234",
    locale: Locales.EN);

var documentSigners = new List<DocumentSigner>()
{
    signer
};

var sendForSign = new SendForSign()
{
    Signers = documentSigners,
    Title = "Sample Document",
    Files = filesToUpload
};
var documentCreated = documentClient.SendDocument(sendForSign);
Console.WriteLine(documentCreated.DocumentId);

import requests
import json

url = "https://api.boldsign.com/v1/document/send"

signer_data = {
    "name": "hanky",
    "emailAddress": "hankyWhites@gmail.com",
    "signerType": "Signer",
    "signerRole": "Signer",
    "authenticationType": "AccessCode",
    "authenticationCode": "1234",
    "formFields": [
    {
      "id": "EditableDate",
      "name": "EditableDate",
      "fieldType": "EditableDate",
      "pageNumber": 1,
      "bounds": {
        "x": 200,
        "y": 200,
        "width": 125,
        "height": 25
      },
      "isRequired": True,
      "editableDateFieldSettings": {
        "dateFormat": "dd/MM/yyyy",
        "minDate": "2023-07-01T18:18:08.567Z",
        "maxDate": "2023-07-31T18:18:08.567Z"
        }
    }
    ],
    "locale": "EN"
}

payload = {
    'Signers': json.dumps(signer_data),
    'Title': "Sample Document"
}

files = [
    ('Files', ('{Your file name}', open('{Your file path}', 'rb'), 'application/pdf'))
]

headers = {
    'accept': 'application/json',
    'X-API-KEY': '{Your API key}'
}

response = requests.post(url, headers=headers, data=payload, files=files)

print(response.text)

const axios = require('axios');
const fs = require('fs');
const FormData = require('form-data');

let formData = new FormData();

// Append Signers as an object, not a string
formData.append('Signers', JSON.stringify({
  name: "hanky",
  emailAddress: "hankyWhites@gmail.com",
  signerType: "Signer",
  signerRole: "Signer",
  authenticationType: "AccessCode",
  authenticationCode: "1234",
  formFields: [
    {
      id: "EditableDate",
      name: "EditableDate",
      fieldType: "EditableDate",
      pageNumber: 1,
      bounds: {
        x: 100,
        y: 100,
        width: 125,
        height: 25
      },
      editableDateFieldSettings: {
        dateFormat: "dd/MM/yyyy",
        minDate: "2023-07-01T18:18:08.567Z",
        maxDate: "2023-07-31T18:18:08.567Z"
      },
      isRequired: true
    }
  ],
  locale: "EN"
}));

// Append the file using a specific filename for the 'Files' property
formData.append('Files', fs.createReadStream("{Your file path}"), { filename: '{Your file name}' });
formData.append('Title', "Sample Document");
let config = {
  method: 'post',
  maxBodyLength: Infinity,
  url: 'https://api.boldsign.com/v1/document/send',
  headers: { 
    'accept': 'application/json', 
    'X-API-KEY': '{Your API Key}', 
    'Content-Type': 'multipart/form-data',
    ...formData.getHeaders()
  },
  data: formData,
};

axios.request(config)
  .then((response) => {
    console.log(JSON.stringify(response.data));
  })
  .catch((error) => {
    console.error(error);
  });