String
Alt text for the image/logo. Null when unset.
String
Clickthrough URL. Null when the header is not linked.
String!
required
One of the email builder’s fonts (Arial, Courier New, Georgia, Lucida Sans Unicode, Tahoma, Times New Roman, Trebuchet MS, Verdana, Nunito, Poppins, Raleway, Inter, Pacifico) or a font from the store’s brand kit. A single name gets a fallback of the same kind; a comma-separated list is used as written. Applies only when headerType is TEXT.
Int!
required
Font size in pixels.
required
Whether this header is an image, logo, or text.
ID!
required
Stable id of this section (
blockId in storage).Int!
required
Image height in pixels.
String!
required
Image or logo URL. Empty when the header is text-only.
required
Always HEADER.
required
Horizontal layout.
Int!
required
Logo height in pixels.
String!
required
Section background color.
required
Padding around the section.
String!
required
Header text. Empty when the header is image/logo-only.
String!
required
Text color.