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# Create Envelope

POST https://documents/envelopes
Content-Type: multipart/form-data

Reference: https://docs.itspropel.com/propel-biz/30-documents/envelopes/create-envelope

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: PropelBiz
  version: 1.0.0
paths:
  /documents/envelopes:
    post:
      operationId: create-envelope
      summary: Create Envelope
      tags:
        - subpackage_30Documents.subpackage_30Documents/envelopes
      parameters:
        - name: '{{tenant_key_name}}'
          in: header
          required: false
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/30 Documents_Envelopes_Create
                  Envelope_Response_200
      requestBody:
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                expires_at:
                  type: string
                  description: >-
                    Optional: Envelope-wide expiration - date format - must be
                    in the future
                document_id:
                  type: string
                  description: >-
                    Required: Document UUID - exists:documents,id - must have
                    signers configured
                signing_mode:
                  type: string
                  description: >-
                    Optional: Order in which signers receive the envelope - in:
                    SEQUENTIAL|PARALLEL - default: SEQUENTIAL
                parent_record_id:
                  type: string
                  description: >-
                    Optional: Parent record UUID - required_with
                    parent_record_type
                parent_record_type:
                  type: string
                  description: >-
                    Optional: Polymorphic parent alias - required_with
                    parent_record_id
                signers[0][expires_at]:
                  type: string
                  description: >-
                    Optional per signer: Per-signer expiry override - date
                    format - must be in the future
                signers[0][document_signer_id]:
                  type: string
                  description: >-
                    Required per signer: Document signer UUID -
                    exists:document_signers,id - must cover every DocumentSigner
                    row on the document
                signers[0][recipient][recipient_name]:
                  type: string
                  description: 'Optional per signer: Recipient name snapshot - max 255 chars'
                signers[0][recipient][recipient_email]:
                  type: string
                  description: >-
                    Optional per signer: Recipient email - valid email - max 255
                    chars
                signers[0][recipient][recipient_phone]:
                  type: string
                  description: 'Optional per signer: Recipient phone - max 32 chars'
                signers[0][channel_flags][send_via_sms]:
                  type: string
                  description: 'Optional per signer: SMS channel flag - boolean'
                signers[0][channel_flags][send_via_email]:
                  type: string
                  description: >-
                    Optional per signer: Email channel flag - boolean - default:
                    email-only when channel_flags omitted
                signers[0][channel_flags][send_via_portal]:
                  type: string
                  description: 'Optional per signer: Portal channel flag - boolean'
                signers[0][channel_flags][send_via_postal]:
                  type: string
                  description: 'Optional per signer: Postal channel flag - boolean'
                signers[0][recipient][is_external_recipient]:
                  type: string
                  description: 'Optional per signer: External-recipient flag - boolean'
                signers[0][recipient][recipient_customer_id]:
                  type: string
                  description: 'Optional per signer: CRM customer UUID - exists:customers,id'
                signers[0][recipient][external_recipient_label]:
                  type: string
                  description: >-
                    Optional per signer: External recipient label - max 255
                    chars
                signers[0][recipient][recipient_customer_contact_id]:
                  type: string
                  description: 'Optional per signer: CRM customer contact UUID'
                signers[0][recipient][recipient_customer_location_id]:
                  type: string
                  description: 'Optional per signer: CRM customer location UUID'
              required:
                - expires_at
                - document_id
                - signing_mode
                - parent_record_id
                - parent_record_type
                - signers[0][expires_at]
                - signers[0][document_signer_id]
                - signers[0][recipient][recipient_name]
                - signers[0][recipient][recipient_email]
                - signers[0][recipient][recipient_phone]
                - signers[0][channel_flags][send_via_sms]
                - signers[0][channel_flags][send_via_email]
                - signers[0][channel_flags][send_via_portal]
                - signers[0][channel_flags][send_via_postal]
                - signers[0][recipient][is_external_recipient]
                - signers[0][recipient][recipient_customer_id]
                - signers[0][recipient][external_recipient_label]
                - signers[0][recipient][recipient_customer_contact_id]
                - signers[0][recipient][recipient_customer_location_id]
servers:
  - url: https:/
components:
  schemas:
    30 Documents_Envelopes_Create Envelope_Response_200:
      type: object
      properties: {}
      description: Empty response body
      title: 30 Documents_Envelopes_Create Envelope_Response_200

```

## SDK Code Examples

```python
import requests

url = "https://https/documents/envelopes"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"expires_at\"\r\n\r\n2024-12-31T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"document_id\"\r\n\r\na3f1c9e2-4b7d-4f8a-9c2e-123456789abc\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signing_mode\"\r\n\r\nSEQUENTIAL\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_id\"\r\n\r\nd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_type\"\r\n\r\ncontract\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][expires_at]\"\r\n\r\n2024-12-15T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][document_signer_id]\"\r\n\r\nb7e3d2c1-9a8b-4c7d-8e9f-abcdef123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_name]\"\r\n\r\nJane Doe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_email]\"\r\n\r\njane.doe@example.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_phone]\"\r\n\r\n+14155552671\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_sms]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_email]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_portal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_postal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][is_external_recipient]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_id]\"\r\n\r\nc1234567-89ab-4def-0123-456789abcdef\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][external_recipient_label]\"\r\n\r\nPrimary Contact\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_contact_id]\"\r\n\r\nd2345678-9abc-4def-1234-56789abcdef0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_location_id]\"\r\n\r\ne3456789-abcd-4def-2345-6789abcdef01\r\n-----011000010111000001101001--\r\n"
headers = {
    "{{tenant_key_name}}": "{{tenant_key_value1}}|{{tenant_key_value2}}",
    "Content-Type": "multipart/form-data; boundary=---011000010111000001101001"
}

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

print(response.json())
```

```javascript
const url = 'https://https/documents/envelopes';
const form = new FormData();
form.append('expires_at', '2024-12-31T23:59:59Z');
form.append('document_id', 'a3f1c9e2-4b7d-4f8a-9c2e-123456789abc');
form.append('signing_mode', 'SEQUENTIAL');
form.append('parent_record_id', 'd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe');
form.append('parent_record_type', 'contract');
form.append('signers[0][expires_at]', '2024-12-15T23:59:59Z');
form.append('signers[0][document_signer_id]', 'b7e3d2c1-9a8b-4c7d-8e9f-abcdef123456');
form.append('signers[0][recipient][recipient_name]', 'Jane Doe');
form.append('signers[0][recipient][recipient_email]', 'jane.doe@example.com');
form.append('signers[0][recipient][recipient_phone]', '+14155552671');
form.append('signers[0][channel_flags][send_via_sms]', 'true');
form.append('signers[0][channel_flags][send_via_email]', 'true');
form.append('signers[0][channel_flags][send_via_portal]', 'false');
form.append('signers[0][channel_flags][send_via_postal]', 'false');
form.append('signers[0][recipient][is_external_recipient]', 'false');
form.append('signers[0][recipient][recipient_customer_id]', 'c1234567-89ab-4def-0123-456789abcdef');
form.append('signers[0][recipient][external_recipient_label]', 'Primary Contact');
form.append('signers[0][recipient][recipient_customer_contact_id]', 'd2345678-9abc-4def-1234-56789abcdef0');
form.append('signers[0][recipient][recipient_customer_location_id]', 'e3456789-abcd-4def-2345-6789abcdef01');

const options = {
  method: 'POST',
  headers: {'{{tenant_key_name}}': '{{tenant_key_value1}}|{{tenant_key_value2}}'}
};

options.body = form;

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

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

func main() {

	url := "https://https/documents/envelopes"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"expires_at\"\r\n\r\n2024-12-31T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"document_id\"\r\n\r\na3f1c9e2-4b7d-4f8a-9c2e-123456789abc\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signing_mode\"\r\n\r\nSEQUENTIAL\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_id\"\r\n\r\nd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_type\"\r\n\r\ncontract\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][expires_at]\"\r\n\r\n2024-12-15T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][document_signer_id]\"\r\n\r\nb7e3d2c1-9a8b-4c7d-8e9f-abcdef123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_name]\"\r\n\r\nJane Doe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_email]\"\r\n\r\njane.doe@example.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_phone]\"\r\n\r\n+14155552671\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_sms]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_email]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_portal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_postal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][is_external_recipient]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_id]\"\r\n\r\nc1234567-89ab-4def-0123-456789abcdef\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][external_recipient_label]\"\r\n\r\nPrimary Contact\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_contact_id]\"\r\n\r\nd2345678-9abc-4def-1234-56789abcdef0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_location_id]\"\r\n\r\ne3456789-abcd-4def-2345-6789abcdef01\r\n-----011000010111000001101001--\r\n")

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

	req.Header.Add("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}")

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://https/documents/envelopes")

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

request = Net::HTTP::Post.new(url)
request["{{tenant_key_name}}"] = '{{tenant_key_value1}}|{{tenant_key_value2}}'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"expires_at\"\r\n\r\n2024-12-31T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"document_id\"\r\n\r\na3f1c9e2-4b7d-4f8a-9c2e-123456789abc\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signing_mode\"\r\n\r\nSEQUENTIAL\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_id\"\r\n\r\nd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_type\"\r\n\r\ncontract\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][expires_at]\"\r\n\r\n2024-12-15T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][document_signer_id]\"\r\n\r\nb7e3d2c1-9a8b-4c7d-8e9f-abcdef123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_name]\"\r\n\r\nJane Doe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_email]\"\r\n\r\njane.doe@example.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_phone]\"\r\n\r\n+14155552671\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_sms]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_email]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_portal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_postal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][is_external_recipient]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_id]\"\r\n\r\nc1234567-89ab-4def-0123-456789abcdef\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][external_recipient_label]\"\r\n\r\nPrimary Contact\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_contact_id]\"\r\n\r\nd2345678-9abc-4def-1234-56789abcdef0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_location_id]\"\r\n\r\ne3456789-abcd-4def-2345-6789abcdef01\r\n-----011000010111000001101001--\r\n"

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

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://https/documents/envelopes")
  .header("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"expires_at\"\r\n\r\n2024-12-31T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"document_id\"\r\n\r\na3f1c9e2-4b7d-4f8a-9c2e-123456789abc\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signing_mode\"\r\n\r\nSEQUENTIAL\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_id\"\r\n\r\nd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_type\"\r\n\r\ncontract\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][expires_at]\"\r\n\r\n2024-12-15T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][document_signer_id]\"\r\n\r\nb7e3d2c1-9a8b-4c7d-8e9f-abcdef123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_name]\"\r\n\r\nJane Doe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_email]\"\r\n\r\njane.doe@example.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_phone]\"\r\n\r\n+14155552671\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_sms]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_email]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_portal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_postal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][is_external_recipient]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_id]\"\r\n\r\nc1234567-89ab-4def-0123-456789abcdef\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][external_recipient_label]\"\r\n\r\nPrimary Contact\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_contact_id]\"\r\n\r\nd2345678-9abc-4def-1234-56789abcdef0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_location_id]\"\r\n\r\ne3456789-abcd-4def-2345-6789abcdef01\r\n-----011000010111000001101001--\r\n")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://https/documents/envelopes', [
  'multipart' => [
    [
        'name' => 'expires_at',
        'contents' => '2024-12-31T23:59:59Z'
    ],
    [
        'name' => 'document_id',
        'contents' => 'a3f1c9e2-4b7d-4f8a-9c2e-123456789abc'
    ],
    [
        'name' => 'signing_mode',
        'contents' => 'SEQUENTIAL'
    ],
    [
        'name' => 'parent_record_id',
        'contents' => 'd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe'
    ],
    [
        'name' => 'parent_record_type',
        'contents' => 'contract'
    ],
    [
        'name' => 'signers[0][expires_at]',
        'contents' => '2024-12-15T23:59:59Z'
    ],
    [
        'name' => 'signers[0][document_signer_id]',
        'contents' => 'b7e3d2c1-9a8b-4c7d-8e9f-abcdef123456'
    ],
    [
        'name' => 'signers[0][recipient][recipient_name]',
        'contents' => 'Jane Doe'
    ],
    [
        'name' => 'signers[0][recipient][recipient_email]',
        'contents' => 'jane.doe@example.com'
    ],
    [
        'name' => 'signers[0][recipient][recipient_phone]',
        'contents' => '+14155552671'
    ],
    [
        'name' => 'signers[0][channel_flags][send_via_sms]',
        'contents' => 'true'
    ],
    [
        'name' => 'signers[0][channel_flags][send_via_email]',
        'contents' => 'true'
    ],
    [
        'name' => 'signers[0][channel_flags][send_via_portal]',
        'contents' => 'false'
    ],
    [
        'name' => 'signers[0][channel_flags][send_via_postal]',
        'contents' => 'false'
    ],
    [
        'name' => 'signers[0][recipient][is_external_recipient]',
        'contents' => 'false'
    ],
    [
        'name' => 'signers[0][recipient][recipient_customer_id]',
        'contents' => 'c1234567-89ab-4def-0123-456789abcdef'
    ],
    [
        'name' => 'signers[0][recipient][external_recipient_label]',
        'contents' => 'Primary Contact'
    ],
    [
        'name' => 'signers[0][recipient][recipient_customer_contact_id]',
        'contents' => 'd2345678-9abc-4def-1234-56789abcdef0'
    ],
    [
        'name' => 'signers[0][recipient][recipient_customer_location_id]',
        'contents' => 'e3456789-abcd-4def-2345-6789abcdef01'
    ]
  ]
  'headers' => [
    '{{tenant_key_name}}' => '{{tenant_key_value1}}|{{tenant_key_value2}}',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://https/documents/envelopes");
var request = new RestRequest(Method.POST);
request.AddHeader("{{tenant_key_name}}", "{{tenant_key_value1}}|{{tenant_key_value2}}");
request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"expires_at\"\r\n\r\n2024-12-31T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"document_id\"\r\n\r\na3f1c9e2-4b7d-4f8a-9c2e-123456789abc\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signing_mode\"\r\n\r\nSEQUENTIAL\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_id\"\r\n\r\nd9f8a7b6-c5d4-4e3f-8a7b-9876543210fe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent_record_type\"\r\n\r\ncontract\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][expires_at]\"\r\n\r\n2024-12-15T23:59:59Z\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][document_signer_id]\"\r\n\r\nb7e3d2c1-9a8b-4c7d-8e9f-abcdef123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_name]\"\r\n\r\nJane Doe\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_email]\"\r\n\r\njane.doe@example.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_phone]\"\r\n\r\n+14155552671\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_sms]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_email]\"\r\n\r\ntrue\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_portal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][channel_flags][send_via_postal]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][is_external_recipient]\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_id]\"\r\n\r\nc1234567-89ab-4def-0123-456789abcdef\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][external_recipient_label]\"\r\n\r\nPrimary Contact\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_contact_id]\"\r\n\r\nd2345678-9abc-4def-1234-56789abcdef0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"signers[0][recipient][recipient_customer_location_id]\"\r\n\r\ne3456789-abcd-4def-2345-6789abcdef01\r\n-----011000010111000001101001--\r\n", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["{{tenant_key_name}}": "{{tenant_key_value1}}|{{tenant_key_value2}}"]
let parameters = [
  [
    "name": "expires_at",
    "value": "2024-12-31T23:59:59Z"
  ],
  [
    "name": "document_id",
    "value": "a3f1c9e2-4b7d-4f8a-9c2e-123456789abc"
  ],
  [
    "name": "signing_mode",
    "value": "SEQUENTIAL"
  ],
  [
    "name": "parent_record_id",
    "value": "d9f8a7b6-c5d4-4e3f-8a7b-9876543210fe"
  ],
  [
    "name": "parent_record_type",
    "value": "contract"
  ],
  [
    "name": "signers[0][expires_at]",
    "value": "2024-12-15T23:59:59Z"
  ],
  [
    "name": "signers[0][document_signer_id]",
    "value": "b7e3d2c1-9a8b-4c7d-8e9f-abcdef123456"
  ],
  [
    "name": "signers[0][recipient][recipient_name]",
    "value": "Jane Doe"
  ],
  [
    "name": "signers[0][recipient][recipient_email]",
    "value": "jane.doe@example.com"
  ],
  [
    "name": "signers[0][recipient][recipient_phone]",
    "value": "+14155552671"
  ],
  [
    "name": "signers[0][channel_flags][send_via_sms]",
    "value": "true"
  ],
  [
    "name": "signers[0][channel_flags][send_via_email]",
    "value": "true"
  ],
  [
    "name": "signers[0][channel_flags][send_via_portal]",
    "value": "false"
  ],
  [
    "name": "signers[0][channel_flags][send_via_postal]",
    "value": "false"
  ],
  [
    "name": "signers[0][recipient][is_external_recipient]",
    "value": "false"
  ],
  [
    "name": "signers[0][recipient][recipient_customer_id]",
    "value": "c1234567-89ab-4def-0123-456789abcdef"
  ],
  [
    "name": "signers[0][recipient][external_recipient_label]",
    "value": "Primary Contact"
  ],
  [
    "name": "signers[0][recipient][recipient_customer_contact_id]",
    "value": "d2345678-9abc-4def-1234-56789abcdef0"
  ],
  [
    "name": "signers[0][recipient][recipient_customer_location_id]",
    "value": "e3456789-abcd-4def-2345-6789abcdef01"
  ]
]

let boundary = "---011000010111000001101001"

var body = ""
var error: NSError? = nil
for param in parameters {
  let paramName = param["name"]!
  body += "--\(boundary)\r\n"
  body += "Content-Disposition:form-data; name=\"\(paramName)\""
  if let filename = param["fileName"] {
    let contentType = param["content-type"]!
    let fileContent = String(contentsOfFile: filename, encoding: String.Encoding.utf8)
    if (error != nil) {
      print(error as Any)
    }
    body += "; filename=\"\(filename)\"\r\n"
    body += "Content-Type: \(contentType)\r\n\r\n"
    body += fileContent
  } else if let paramValue = param["value"] {
    body += "\r\n\r\n\(paramValue)"
  }
}

let request = NSMutableURLRequest(url: NSURL(string: "https://https/documents/envelopes")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```