Dynamic Content primarily pertains to transactional email campaigns.
The Code Editor (Legacy) was formerly referred to as the "HTML Editor."
Once you choose a template that utilizes dynamic content and/or personalization tags in your campaign you must always edit the campaign in either the Studio editor or Code Editor (Legacy); you cannot change to the Drag & Drop Editor (Legacy).
View Dynamic Content Rules
Navigate to Campaigns > Manage. Locate your campaign. Click the Vertical Ellipsis Icon, then select Edit to jump to the Template tab.
Select View Dynamic Content above your template.
A snapshot of the rules set up for your campaign will open in a new tab or window. The element name and package code for each rule is listed in bold. The default option for the rule is listed first. The second option for the rule is listed under the default option, the third option under that and so on.
Compare Previews of your Campaign with Different Rules in Play
Select a rule option in the left column and a different rule option in the right column, then select Preview for both columns.
If your campaign contains personalization tags, customer data will not appear in this Preview. See View Customer Details to preview customer data.
Select Reset to revert all campaign rules to the default rules.
Select Basic Validation to run a quick report to see if your rules have created any undesired issues in your template.
Select Personalization Tags to view a list of tags in use in your template.
Example of tags in use in a template: