---
title: setDescription
slug: campaign/docs/setdescription-mailingws
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          |
| Description | String | Description of the mailing |

**Return values**

- **Code structure**

```javascript
void setDescription(String sessionId, long mailingId, String description)
```