Custom Fields allow you to add extra details to your subscriber profiles. These details help personalize your messages and campaigns.Custom fields allow you to store additional information about subscribers, enabling better personalization in your campaigns.
Before adding custom fields or labels, ensure you have: A Clear Data Structure: Plan what extra details you need for subscribers (e.g., Name, Website, Company, etc.).
How to Create and Use Custom Fields #
Navigate to Subscribers Manager > Manage Custom Fields

Add fields matching your CSV columns (e.g., Website) and select the appropriate reply type (e.g., URL).

Note: Select the reply type that matches your column data.
Click Save and refresh the page to confirm your new fields are availabl
To add more columns and custom fields, repeat the steps above