# How to enable replies with SMS from Zendesk
If you want to send SMS as a reply to a ticket created from a text message sent by your customer, you must use the following configuration in your Zendesk account.
#### 1. Create the Toky extension in Zendesk
* Create an extension in your Zendesk account: click on **Settings,** next click on **Extensions,** and lastly, click on **Add target.** (You can also click this link to go to your [**Triggers section**](https://toky.zendesk.com/agent/admin/triggers)**,** and click on **Add target.**)
* Click on **HTTP target.**
* Add **Toky web** as the **Title**
* Enter [**https://integrations.toky.co/webhooks/zendesk**](https://integrations.toky.co/webhooks/zendesk) In the **URL** field
* Select **POST** as the **Method**
* Select **JSON** as the **Content Type**
* Select **Create target** in the dropdown next to the **Submit** button
* Click on **Submit,** and the extension will be created.
#### 2. Create the trigger in Zendesk
* Create a trigger in your Zendesk account: you can click on **Settings,** next on **Trigger** and lastly, click on **Add Trigger.** (You can also click on this link to go to your [**Triggers section**](https://toky.zendesk.com/agent/admin/triggers) and click on **Add Trigger**.)
* Put **Reply SMS through Toky** as the **Trigger name.**
* In the **Conditions** section, click on **Add condition** and configure the condition: **Comment** - **is** - **Public**
* In the **Action** section, click on **Add action** and select: **Notify target - Toky web.**
* Add the following code snippet into the **JSON Body** field.
```
{
"ticket_id": "{{ticket.id}}",
"ticket_external_id": "{{ticket.external_id}}",
"ticket_latest_comment": "{{ticket.latest_comment}}",
"agent": "{{current_user.email}}",
"agent_id": "{{current_user.id}}",
"ticket_comment_visibility": "{{ticket.latest_comment.is_public}}",
"uuid": "{{ticket.latest_comment.id}}"
}
```
* Click on the **Create** button. The Trigger will be created.
