I use this macro for that topic
{{velocity}}
#macro(createDocumentTree $document $depth $level)
#if ($depth > 0)
  #set ($translated = $document.getTranslatedDocument())
  #set ($name = $translated.getName())
  #set ($fullName = $translated.getFullName())
  #set ($prefixedFullName = $translated.getPrefixedFullName())
  #set ($where = "where doc.parent = ? or doc.parent = ? or doc.parent = ?
order by doc.name")
  #set ($parameters = [$name, $fullName, $prefixedFullName])
  #if ($name == 'WebHome')
    #set ($space = $document.getSpace())
    #set ($where = "where doc.space = ? and (doc.parent = '' or doc.parent =
? or doc.parent = ? or doc.parent = ?) and doc.name != 'WebHome' order by
doc.name")
    #set ($parameters = [$space, $name, $fullName, $prefixedFullName])
  #end
  #foreach ($name in $xwiki.searchDocuments($where, $parameters))
    #if ($xwiki.getDocument($name))
      #set ($document = $xwiki.getDocument($name))
      #set ($translated = $document.getTranslatedDocument())
      #set ($prefixed = $translated.getPrefixedFullName())
      #set ($title = $translated.getPlainTitle())
        ${stringtool.repeat('*', $level)} [[$title>>$prefixed]]
      #set ($depth = $depth - 1)
      #set ($level = $level + 1)
      #createDocumentTree($document $depth $level)
      #set ($depth = $depth + 1)
      #set ($level = $level - 1)
    #end
  #end
#end
#end
#createDocumentTree($doc 5 1)
{{/velocity}}
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