HasNoSubfolders
This template tag was added in version 6.0.4.
This conditional tag detects when the current folder has no subfolders.
Example
<mt:Folders>
<mt:HasNoSubFolder>
<mt:FolderLabel> <!-- no sub-folders exist here -->
<mt:else>
<mt:FolderLabel> <!-- sub-folders exist here -->
</mt:HasNoSubFolder>
</mt:Folders>