Property: Has preheader

Property
Allow multiple values	No
Display name	Preheader
Description	Preview text shown after the subject line in an email client's inbox list, for a page that is also sent to a mailing list. One sentence, complementing the subject line rather than repeating it — left empty, mail clients fall back to whatever text happens to come first in the message. Not rendered on the page itself — it is metadata the email build reads.
Data type	Text