Form.json

{
   "groups":[
     {
      "id":"group-id",
      "title":"Group title",
      "sections":[
         {
            "id":"section-0",
            "fields":[
               {
                  "id":"title",
                  "title":"Title*",
                  "type":"text",
                  "size":{
                     "width":100
                  }
               },
               {
                  "id":"location",
                  "title":"Location*",
                  "type":"text",
                  "size":{
                     "width":100
                  }
               },
               {
                  "id":"date",
                  "title":"Date*",
                  "info":"This is a description",
                  "type":"date",
                  "size":{
                     "width":50
                  }
               },
               {
                  "id":"attire",
                  "title":"Attire*",
                  "type":"select",
                  "size":{
                     "width":50
                  },
                  "values":[
                     {
                        "id":0,
                        "title":"Casual",
                        "default":true
                     },
                     {
                        "id":1,
                        "title":"Formal"
                     }
                  ]
               },
               {
                  "id":"size",
                  "title":"Size*",
                  "type":"text",
                  "size":{
                     "width":33
                  }
               },
               {
                  "id":"min_age",
                  "title":"Min age",
                  "type":"number",
                  "size":{
                     "width":33
                  }
               },
               {
                  "id":"max_age",
                  "title":"Max age",
                  "type":"number",
                  "size":{
                     "width":33
                  }
               }
            ]
         }
      ]
   }
  ]
}