{
   "x-tcms-post-type" : {
      "name" : "invoice",
      "generated" : false,
      "description" : "A multi-page invoice drawn between two entity posts."
   },
   "type" : "object",
   "properties" : {
      "preview" : {
         "type" : "string",
         "x-tcms-label" : "Preview Image"
      },
      "preview_file" : {
         "type" : "upload",
         "x-tcms-label" : "Preview Image",
         "x-tcms-input" : "file"
      },
      "payee" : {
         "type" : "string",
         "x-tcms-label" : "Payee"
      },
      "payor" : {
         "type" : "string",
         "x-tcms-label" : "Payor"
      },
      "due_days" : {
         "type" : "integer",
         "minimum" : 0,
         "x-tcms-label" : "Due in (days)",
         "x-tcms-input" : "number"
      }
   }
}