---
title: getColumnNames
slug: campaign/docs/getcolumnnames-recipientlistws
docTags: 
createdAt: 2026-07-02T19:01:45.566Z
---

**Type**: String\[ ]

**Parameters**

| Name      | Type   | Value             |
| --------- | ------ | ----------------- |
| sessionId | String | ID of the session |

**Return values**

Column names of the recipient lists

The columns and the column order are subject to change.

**Code structure**

```javascript
String[] getColumnNames(String sessionId)
```