app/views/spree/transaction_notification_mailer/send_mail.html.erb
<table border="0" cellpadding="5" cellspacing="0">
<tr>
<th colspan="2" align="left">Your GTbank Payment Transaction was <%= @status %>. Below mentioned are the details</th>
</tr>
<tr>
<td>Transaction Details</td>
</tr>
<tr>
<td>Transaction ID</td>
<td>: <%= @transaction.gtpay_tranx_id %></td>
</tr>
<tr>
<td>Transaction Amount</td>
<td>: <%= Spree::Money.new(@transaction.gtpay_tranx_amount) %></td>
</tr>
<tr>
<td>Order Description</td>
<% if @order.line_items.count == 1 %>
<td>: Payment for <%= @order.line_items.first.product.name + " at #{Spree::Config[:site_name]}"%></td>
<% else %>
<td>: Payment for <%= @order.line_items.count.to_s + " products at #{Spree::Config[:site_name]}"%></td>
<% end %>
</tr>
</table>