 available placeholder (see Placeholders section) Default Subject - "Invoice Payment Overdue: {invoice_number}" Example - "URGENT: Invoice {invoice_number} ({amount_due}) is {days_overdue} days overdue" Character Limit - No technical limit; keep clear and concise for email clients Create the email message body using the WordPress WYSIWYG editor. Full HTML and rich text formatting supported. WYSIWYG Editor - Visual editor with formatting toolbar (bold, italic, lists, links, alignment, etc.) Media Buttons - Add images and other media directly into email HTML Mode - Switch to HTML view for direct code editing if needed Editor Height - 300px tall editor for comfortable composing Placeholder Support - Use any available placeholder within the body text Default Body - Pre-built template with