The following wildcards can be used in email subjects, heading and content:
{site_title} : Site Title
{name} : Customer's full name
{first_name} : Customer's first name
{last_name} : Customer's last name
{email} : Customer's email address
{quote_number} : The quote number
{quote_currency} : The quote currency
{quote_total} : The quote total
{quote_link} : The quote link
{quote_receipt_link} : The receipt link
{quote_date} : The date the quote was created
{valid_until} : The date the quote is valid until
{date} : Today's date.
{quote_label} : Invoices/quotes singular name. Ex: Invoice/Quote
{quote_quote} : Invoices/quotes singular name in small letters. Ex: invoice/quote
{quote_description} : The description of the quote
{quote_decline_reason} : The reason for declining the quote