how can i show first post's last edit date on forumdisplay?

[JesWhite]

hi...
i want to use this option on forumdisplay near rating etc...
how can i show ?

  <vb:if condition="$show['postedited']">
                <!-- edit note -->
                <blockquote class="postcontent lastedited">
    <!--                        <img src="{vb:stylevar imgdir_button}/edit_40b.png" alt="" /> -->
                    <vb:if condition="$show['postedithistory']">
                        {vb:rawphrase last_edited_link_by_x_on_y_at_z_postid, {vb:raw post.edit_username}, {vb:raw post.edit_date},
                            {vb:raw post.edit_time}, {vb:raw post.historyurl}}
                    <vb:else />
                        {vb:rawphrase last_edited_by_x_on_y_at_z, {vb:raw post.edit_username}, {vb:raw post.edit_date}, {vb:raw post.edit_time}}
                    </vb:if>
                    <vb:if condition="$post['edit_reason']">
                        <span class="reason">{vb:rawphrase reason}:</span> {vb:raw post.edit_reason}
                    </vb:if>
                </blockquote>
                <!-- / edit note -->
                </vb:if>

i know if i will change true abow code this will work fine)
i will use below code ...

{vb:raw post.edit_date}, {vb:raw post.edit_time}

but i dont know true if option?
if first post show code like...


or how ?