# Create a campaign with a segmentation filter

Segmentation is achieved by adding a contact filter to a campaign draft resource using the property `SegmentationID`. `$ID_CONTACT_FILTER` is the ID of the contact filter that you have created.

### Example

cURL
```shell
# Create : Newsletter data with segmentation.
curl -s \
	-X POST \
	--user "$MJ_APIKEY_PUBLIC:$MJ_APIKEY_PRIVATE" \
	https://api.mailjet.com/v3/REST/newsletter \
	-H 'Content-Type: application/json' \
	-d '{
		"Title":"Mailjet greets every contact over 40",
		"Locale":"en_US",
		"Sender":"MisterMailjet",
		"SenderEmail":"Mister@mailjet.com",
		"Subject":"Greetings from Mailjet",
		"ContactsListID":"$ID_CONTACTLIST",
		"SegmentationID":"$ID_CONTACT_FILTER"
	}'
```

PHP
```php
<?php
/*
Create : Newsletter data with segmentation.
*/
require 'vendor/autoload.php';
use \Mailjet\Resources;
$mj = new \Mailjet\Client(getenv('MJ_APIKEY_PUBLIC'), getenv('MJ_APIKEY_PRIVATE'));
$body = [
    'Title' => "Mailjet greets every contact over 40",
    'Locale' => "en_US",
    'Sender' => "MisterMailjet",
    'SenderEmail' => "Mister@mailjet.com",
    'Subject' => "Greetings from Mailjet",
    'ContactsListID' => "$ID_CONTACTLIST",
    'SegmentationID' => "$ID_CONTACT_FILTER"
];
$response = $mj->post(Resources::$Newsletter, ['body' => $body]);
$response->success() && var_dump($response->getData());
?>
```

Node.js
```javascript
/**
 *
 * Create : Newsletter data with segmentation.
 *
 */
const mailjet = require ('node-mailjet')
	.connect(process.env.MJ_APIKEY_PUBLIC, process.env.MJ_APIKEY_PRIVATE)
const request = mailjet
	.post("newsletter")
	.request({
		"Title":"Mailjet greets every contact over 40",
		"Locale":"en_US",
		"Sender":"MisterMailjet",
		"SenderEmail":"Mister@mailjet.com",
		"Subject":"Greetings from Mailjet",
		"ContactsListID":"$ID_CONTACTLIST",
		"SegmentationID":"$ID_CONTACT_FILTER"
	})
request
	.then((result) => {
		console.log(result.body)
	})
	.catch((err) => {
		console.log(err.statusCode)
	})
```

Ruby
```ruby
# Create : Newsletter data with segmentation.
require 'mailjet'
Mailjet.configure do |config|
  config.api_key = ENV['MJ_APIKEY_PUBLIC']
  config.secret_key = ENV['MJ_APIKEY_PRIVATE']  
end
variable = Mailjet::Newsletter.create(title: "Mailjet greets every contact over 40",
locale: "en_US",
sender: "MisterMailjet",
sender_email: "Mister@mailjet.com",
subject: "Greetings from Mailjet",
contacts_list_id: "$ID_CONTACTLIST",
segmentation_id: "$ID_CONTACT_FILTER"
)
p variable.attributes['Data']
```

Python
```python
"""
Create : Newsletter data with segmentation.
"""
from mailjet_rest import Client
import os
api_key = os.environ['MJ_APIKEY_PUBLIC']
api_secret = os.environ['MJ_APIKEY_PRIVATE']
mailjet = Client(auth=(api_key, api_secret))
data = {
  'Title': 'Mailjet greets every contact over 40',
  'Locale': 'en_US',
  'Sender': 'MisterMailjet',
  'SenderEmail': 'Mister@mailjet.com',
  'Subject': 'Greetings from Mailjet',
  'ContactsListID': '$ID_CONTACTLIST',
  'SegmentationID': '$ID_CONTACT_FILTER'
}
result = mailjet.newsletter.create(data=data)
print result.status_code
print result.json()
```

Java
```java
package com.my.project;
import com.mailjet.client.errors.MailjetException;
import com.mailjet.client.errors.MailjetSocketTimeoutException;
import com.mailjet.client.MailjetClient;
import com.mailjet.client.MailjetRequest;
import com.mailjet.client.MailjetResponse;
import com.mailjet.client.resource.Newsletter;
import org.json.JSONArray;
import org.json.JSONObject;
public class MyClass {
    /**
     * Create : Newsletter data with segmentation.
     */
    public static void main(String[] args) throws MailjetException, MailjetSocketTimeoutException {
      MailjetClient client;
      MailjetRequest request;
      MailjetResponse response;
      client = new MailjetClient(System.getenv("MJ_APIKEY_PUBLIC"), System.getenv("MJ_APIKEY_PRIVATE"));
      request = new MailjetRequest(Newsletter.resource)
			.property(Newsletter.TITLE, "Mailjet greets every contact over 40")
			.property(Newsletter.LOCALE, "en_US")
			.property(Newsletter.SENDER, "MisterMailjet")
			.property(Newsletter.SENDEREMAIL, "Mister@mailjet.com")
			.property(Newsletter.SUBJECT, "Greetings from Mailjet")
			.property(Newsletter.CONTACTSLISTID, "$ID_CONTACTLIST")
			.property(Newsletter.SEGMENTATIONID, "$ID_CONTACT_FILTER");
      response = client.post(request);
      System.out.println(response.getStatus());
      System.out.println(response.getData());
    }
}
```

Go
```go
/*
Create : Newsletter data with segmentation.
*/
package main
import (
	"fmt"
	"log"
	"os"
	mailjet "github.com/mailjet/mailjet-apiv3-go"
	"github.com/mailjet/mailjet-apiv3-go/resources"
)
func main () {
	mailjetClient := NewMailjetClient(os.Getenv("MJ_APIKEY_PUBLIC"), os.Getenv("MJ_APIKEY_PRIVATE"))
	var data []resources.Newsletter
	mr := &Request{
	  Resource: "newsletter",
	}
	fmr := &FullRequest{
	  Info: mr,
	  Payload: &resources.Newsletter {
      Title: "Mailjet greets every contact over 40",
      Locale: "en_US",
      Sender: "MisterMailjet",
      SenderEmail: "Mister@mailjet.com",
      Subject: "Greetings from Mailjet",
      ContactsListID: "$ID_CONTACTLIST",
      SegmentationID: "$ID_CONTACT_FILTER",
    },
	}
	err := mailjetClient.Post(fmr, &data)
	if err != nil {
	  fmt.Println(err)
	}
	fmt.Printf("Data array: %+v\n", data)
}
```

C#
```csharp
using Mailjet.Client;
using Mailjet.Client.Resources;
using System;
using Newtonsoft.Json.Linq;
namespace Mailjet.ConsoleApplication
{
   class Program
   {
      /// <summary>
      /// Create : Newsletter data with segmentation.
      /// </summary>
      static void Main(string[] args)
      {
         RunAsync().Wait();
      }
      static async Task RunAsync()
      {
         MailjetClient client = new MailjetClient(Environment.GetEnvironmentVariable("MJ_APIKEY_PUBLIC"), Environment.GetEnvironmentVariable("MJ_APIKEY_PRIVATE"));
         MailjetRequest request = new MailjetRequest
         {
            Resource = Newsletter.Resource,
         }
            .Property(Newsletter.Title, "Mailjet greets every contact over 40")
            .Property(Newsletter.Locale, "en_US")
            .Property(Newsletter.Sender, "MisterMailjet")
            .Property(Newsletter.SenderEmail, "Mister@mailjet.com")
            .Property(Newsletter.Subject, "Greetings from Mailjet")
            .Property(Newsletter.ContactsListID, "$ID_CONTACTLIST")
            .Property(Newsletter.SegmentationID, "$ID_CONTACT_FILTER");
         MailjetResponse response = await client.PostAsync(request);
         if (response.IsSuccessStatusCode)
         {
            Console.WriteLine(string.Format("Total: {0}, Count: {1}\n", response.GetTotal(), response.GetCount()));
            Console.WriteLine(response.GetData());
         }
         else
         {
            Console.WriteLine(string.Format("StatusCode: {0}\n", response.StatusCode));
            Console.WriteLine(string.Format("ErrorInfo: {0}\n", response.GetErrorInfo()));
            Console.WriteLine(response.GetData());
            Console.WriteLine(string.Format("ErrorMessage: {0}\n", response.GetErrorMessage()));
         }
      }
   }
}
```