Sender email address.To include a friendly name, use the format "Your Name <[email protected]>".If provided, this value can be overridden when sending an email using the template.
The key of the variable. We recommend capitalizing the key (e.g. PRODUCT_NAME). The following variable names are reserved and cannot be used:
FIRST_NAME, LAST_NAME, EMAIL, RESEND_UNSUBSCRIBE_URL, contact, and this.