input.json

{
  "$jason": {
    "head": {
      "title": "Todo App - Add view",
      "actions": {
        "$load": {
          "type": "$render"
        },
        "$pull": {
          "type": "$global.set",
          "options": {
            "todos": "{{'todos' in $global ? [{text: $get.todo, done: false, key: $global.current_key+1 }].concat($global.todos) : [{text: $get.todo, done: false, key: 0}] }}",
            "current_key": "{{'current_key' in $global ? $global.current_key+1 : 0}}"
          },
          "success": {
            "type": "$back"
          }
        }
      },
      "templates": {
        "body": {
          "header": {
            "title": "Swipe down to Save",
            "style": {
              "background": "#FF9800",
              "color": "#ffffff"
            }
          },
          "style": {
            "background": "#FF9800",
            "color": "#ffffff",
            "border": "none"
          },
          "sections": [
            {
              "items": [
                {
                  "type": "textarea",
                  "style": {
                    "padding": "10",
                    "size": "30",
                    "font": "HelveticaNeue",
                    "color:placeholder": "#ebebeb",
                    "color": "#ffffff",
                    "width": "100%",
                    "height": "400",
                    "align": "left"
                  },
                  "placeholder": "Enter todo",
                  "name": "todo"
                }
              ]
            }
          ]
        }
      }
    }
  }
}