---
title: setFrom
slug: campaign/docs/setfrom
docTags: 
createdAt: 2026-07-02T19:01:46.737Z
---

**Type**: void

**Parameters**

| Name              | Type   | Value                                                                                                                 |
| ----------------- | ------ | --------------------------------------------------------------------------------------------------------------------- |
| sessionId         | String | ID of the session                                                                                                     |
| mailingId         | long   | ID of the mailing                                                                                                     |
| senderEmailPrefix | String | The value is prefixed to the sending domain configured for this client<br /><br />Examples: info, newsletter or john. |
| senderName        | String | Name of the sender<br /><br />Examples: My Company, John Doe, Newsletter.                                             |

**Return values**

- **Code structure**

```javascript
void setFrom(String sessionId, long mailingId, String senderEmailPrefix, String senderName)
```