'key' => 'invoice_email_pdf',
'section' => 'invoicing',
'description' => 'Send PDF invoice as an attachment to emailed invoices. By default, includes the HTML invoice as the email body, unless invoice_email_pdf_note is set.',
'key' => 'invoice_email_pdf',
'section' => 'invoicing',
'description' => 'Send PDF invoice as an attachment to emailed invoices. By default, includes the HTML invoice as the email body, unless invoice_email_pdf_note is set.',