Any CRM field can be used as a Merge field into your Emails and Landing Pages.
You want to refer to the order date that a customer bought a specific product from a quote, or use their customer reference number, or use an expiry date of a subscription or a licence key from their profile.
Give your Brand field a name and a preview value. Use the Select CRM field button to link this merge field with the specific field in your CRM that you want to use in your Email:
Specify a default value which will display if no value is provided from your data source and save.