CloudPages is the feature that allows the creation of Smart Capture forms within Salesforce Marketing Cloud. Using CloudPages, Northern Trail Outfitters can set up a form to collect consent specifically for SMS messaging. This form can be designed to manage preferences, gather customer information, and confirm opt-in for SMS, ensuring compliance with consent regulations.

Why CloudPages: It offers the flexibility to create forms and landing pages that collect customer data directly into Marketing Cloud, and Smart Capture enables easy integration with data extensions.

Salesforce Documentation Reference: For more details, refer to CloudPages and Smart Capture Overview.