Extend message preview and testing to list, individual, and campaign recipient types across email, SMS, WhatsApp, mobile app, and RCS. For each recipient type, verify personalized content with sample Apex input and content variable values from an activation, event, Salesforce record, or Apex class. To fix errors before you send, review and edit the rendered JSON output directly.
When: The Preview and Test enhancements become available for different channels in phases throughout October 2026.
Where: This change applies to Salesforce Enterprise and Unlimited editions with:
- Marketing Cloud Next Growth and Advanced editions with the Salesforce Foundations add-on
- Marketing Cloud Account Engagement Growth, Plus, Advanced, or Premium editions with the Salesforce Foundations add-on
- Any Marketing Cloud Engagement+ edition with the Salesforce Foundations add-on
