---
title: getSplitChildIds
slug: campaign/docs/getsplitchildids
docTags: 
createdAt: 2026-07-02T19:01:47.121Z
---

**Type**: long\[ ]

**Parameters**

| Name      | Type   | Value                    |
| --------- | ------ | ------------------------ |
| sessionId | String | ID of the session        |
| mailingId | long   | ID of the master mailing |

**Return values**

IDs of all split mailings assigned to the master mailing.

If no split mailings are found, NULL is returned.

**Code structure**

```javascript
long[] getSplitChildIds(String sessionId, long mailingId)
```