---
title: Step 3. Adjusting layout settings and content
slug: campaign/docs/step-3-adjusting-layout-settings-and-content
docTags: 
createdAt: 2026-07-20T15:45:44.999Z
---

Depending on the selected message type, you can adjust the layout and add content elements.

| Message type    | Description                                                                                                                                                                                                                                                                                                      |
| --------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **E-Mail**      | See [Edit mailing content](docId\:rD-VtF8elYloBPhROMnqf). If you are using the Template Kit, see [Template Kit](docId\:jRJZaVEfgoLqt9ai1hzyD).                                                                                                                                                                   |
| **SMS**         | In SMS messages, you can only send text-only messages. Enter the text in the **Content** box. See [SMS](docId:6BKJrwuLTHsGF0t3j0-rZ).                                                                                                                                                                            |
| **Mobile Push** | With Mobile Push, you can send messages to mobile devices and trigger predefined actions. Enter the text in the **Content** box and optionally upload an image. See [Mobile Push](docId:9JKxiG27XeArIxP1whZTj).                                                                                                  |
| **Web Push**    | With Web Push, you can send text messages that appear in the recipient's web browser. Enter the text in the **Content** box, and optionally upload an image and an icon. See [Web Push](docId\:sbC9frX_55rtOtIoYI5xP).                                                                                           |
| **Print**       | You can only insert content into [print](docId\:XHWISDKwuHnaGu9TjmLBm) mailings using a template. Optimizely Campaign provides default templates for the following formats: **Letter DIN A4**, **Postcard DIN A6** and **Postcard DIN lang**. See [Editing print message content](docId\:uyifj3xva-pgHsB3iy8VS). |