---
schema_version: "1"
id: 04afd3060ba44cf8d975d9724ea08d787d72be79084416055aa4f54a0a702983
title: Server-Side JavaScript Activity
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_es_server_side_javascript_activity.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_es_server_side_javascript_activity.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 6e1177030907c137646705c0128992f0a6a134008a74164d2bcfea10ff5acc9e
description: Use server-side JavaScript activities to host and run resources for landing pages. Server-side JavaScript allows you to customize and run these activities flexibly with Marketing Cloud Engagement.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Server-Side JavaScript Activity

Use server-side JavaScript activities to host and run resources for landing pages. Server-side JavaScript allows you to customize and run these activities flexibly with Marketing Cloud Engagement.

#### See Also

- [Server-Side JavaScript](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/ssjs_serverSideJavaScript.html)

## Create a Server-Side JavaScript Activity

Task information for creating a server-side JavaScript activity in Email Studio

Before beginning this procedure, create data extensions, portfolios, or other assets to use as part of your server-side JavaScript scripts.

1. Click **Interactions**.
2. Expand the Activities tree.
3. Select the **Scripts** folder.
4. In the workspace, click **Create**.
5. Complete the information in the Properties section of the workspace:
    
    - Name - Enter the name of your server-side JavaScript activity.
    - External Key - Enter the external key of your server-side JavaScript activity. Use this key to refer to the server-side JavaScript activity as part of an API call.
    - Description - Enter the description of your server-side JavaScript activity.
6. Enter your server-side JavaScript in the Server-Side JavaScript section.
7. To verify the syntax of your server-side JavaScript, click **Check Syntax**. .
8. Save after entering and verifying your server-side JavaScript.