tCMS/www/templates/html/components/aliases.json

{
   "x-tcms-include" : {
      "name" : "aliases",
      "description" : "The alias URL editor.  'aliases' is a base post field, declared here so that the wizard can tell it apart from a field somebody typed in."
   },
   "type" : "object",
   "properties" : {
      "aliases" : {
         "type" : "array",
         "items" : { "type" : "string" },
         "x-tcms-label" : "Post Alias URLs"
      }
   }
}