---
schema_version: "1"
id: 92a49a9ff4f0ec87969b6fa9629d28ba7bfbb00fc2ff1f432260c08238a1ee08
title: Create Custom Metadata for Your External Activation Platform
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/data/264-0-0/c360_a_external_activation_platform_custom_metadata.md
canonical_url: https://help.salesforce.com/s/articleView?id=data.c360_a_external_activation_platform_custom_metadata.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 0f5ca932e57b2497af08bce0a8e3ce123a7b6dd68966f03330bc4d79f956b750
description: Create custom metadata for your external activation platform before you can package your platform for use by Data 360 admins. This applies only to platforms created using the manual workflow.
products:
  - Data 360
release: "264"
---
# Create Custom Metadata for Your External Activation Platform

Create custom metadata for your external activation platform before you can package your platform for use by Data 360 admins. This applies only to platforms created using the manual workflow.

![Note](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_note.png)

Note Activation Schedule supports publishing every 24 hours.

1. Click the gear icon and click **Setup**.
2. In Setup, go to **Custom Metadata Types**.
3. Click **New Custom Metadata Type**.
4. Enter ActivationPlatformCredential for the Label and ActivationPlatformCredentials for the Plural Label.
5. In Visibility, select **Only Apex code in the same managed package can see the type. The name of the type and the record are visible if they're referenced in a formula.**
    
    ![Note](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_note.png)
    
    Note Selecting a different option could expose your Amazon S3 bucket credentials to customers who install your package.
6. Click **Save**.
7. Click ActivationPlatformCredential.
8. In Custom Fields, click **New**.
    1. Select Text and click **Next**.
    2. Enter AccessKey for the Field Label and Field Name and click **Next**.
        
        ![Tip](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_tip.png)
        
        Tip We recommend 150 for Length, but you can set any limit.
    3. Make sure the ActivationPlatformCredential Page Layout is selected.
    4. Click **Save & New**.
    5. Select Text and click **Next**.
    6. Enter SecretKey for the Field Label and Field Name and click **Next**.
        
        ![Note](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_note.png)
        
        Note We recommend 50 for Length, but you can set any limit.
    7. Make sure the ActivationPlatformCredential Page Layout is selected.
    8. Click **Save**.
9. Click **Manage ActivationPlatformCredentials**.
    1. Click **New**.
    2. The label and ActivationPlatformCredential name must match the developer name you chose when creating your external activation platform in Data 360.
    3. Enter the value for AccessKey and SecretKey.
        
        ![Tip](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-data-data_cloud-264-0-0-production-enus/f3569962-3c9b-4f83-9d0c-b6a574e785da/images/icon_tip.png)
        
        Tip Use the credentials for the S3 Bucket Name you entered when you created your External Activation Platform in Data 360.
    4. Click **Save**.

The custom metadata for your External Activation Platform is created.