Adding metadata files for images within the panel

The CMS Questions
8

Hello,

I’am do not understand how add the caption field at the ‘Image Editor’

This is my blueprint:

<?php if(!defined('KIRBY')) exit ?>

title: Default
pages: Pages
files: true
fields:
  title:
    label: Title
    type: title
  richtext:
    label: Text
    type:  markdown
    size: big
  tags:
    label: Tags
    type: tags
  images_post:
        label: Image
        type:  selector
        mode:  multiple
        types:
            - all
  caption:
    label: Image-Caption
    type: text
  formular:
    label: formular
    type: checkbox
    text: Display Form?
  dayNight:
    label: dayNight
    type: checkbox
    text: Display Button Day-Night?
  notInMenu:
    label: notInMenu
    type: checkbox
    text: Not in menu

Greetings Perry