{
  "action" : "refresh_dialog_fields",
  "resource" : {
    "dialog_fields" : {
      "my_field" : "current value for my_field"
    },
    "fields" : [ "my_field" ]
  }
}

{
  "success": true,
  "message": "Refreshing dialog fields for Service Dialog id:2 label:'Dynamic Drop-down test'",
  "result": {
    "my_field": {
      "name": "my_field",
      "description": "my_field",
      "type": "DialogFieldDropDownList",
      "data_type": "string",
      "display": "edit",
      "display_method_options": {
      },
      "required": true,
      "required_method_options": {
      },
      "values": [
        [
          "",
          "Choose"
        ],
        [
          "7",
          "7"
        ],
        [
          "13",
          "13"
        ],
        [
          "2016-06-10T17:59:36Z",
          "2016-06-10T17:59:36Z"
        ]
      ],
      "values_method_options": {
      },
      "options": {
        "sort_by": "value",
        "sort_order": "ascending"
      },
      "label": "My Field",
      "position": 0,
      "dynamic": true,
      "show_refresh_button": true,
      "load_values_on_init": true,
      "read_only": false,
      "resource_action": {
        "resource_type": "DialogField",
        "ae_namespace": "Dialogs",
        "ae_class": "dynamic_dialogs",
        "ae_instance": "drop_down",
        "ae_attributes": {
        }
      }
    }
  },
  "href": "http://localhost:3000/api/service_dialogs/2"
}