hunk.code_window:     session_id = fields.Many2one(
           'pos.session', string='Session', required=True, index=True,
           domain="[('state', '=', 'opened')]")
       config_id = fields.Many2one('pos.config', related='session_id.config_id', string="Point of Sale", readonly=False)
       currency_id = fields.Many2one('res.currency', related='config_id.currency_id', string="Currency")
       currency_rate = fields.Float("Currency Rate", compute='_compute_currency_rate', compute_sudo=True, store=True, digits=0, readonly=True,
           help='The rate of the currency to the currency of rate applicable at the date of the order')
  
hunk.labels: keep keep keep replace keep keep keep keep
hunk.after_edit:     config_id = fields.Many2one('pos.config', related='session_id.config_id', string="Point of Sale", readonly=False, store=True)
  
hunk.file_path: addons/point_of_sale/models/pos_order.py
hunk.type: replace
file: <section class="oe_container">
      <div class="oe_row oe_spaced">
          <div class="oe_span12">
              <h2 class="oe_slogan">Organize Events, Trainings &amp; Webinars</h2>
              <h3 class="oe_slogan">Schedule, Promote, Sell, Organize</h3>
          </div>
          <div class="oe_span6">
              <div class="oe_demo oe_picture oe_screenshot">
                  <img src="event.png">
              </div>
          </div>
          <div class="oe_span6">
              <p class='oe_mt32'>
                  Get extra features per event; multiple pages, sponsors,
                  multiple talks, talk proposal form, agenda, event-related news,
                  documents (slides of presentations), event-specific menus.
              </p>
          </div>
      </div>
  </section>
  
  <section class="oe_container oe_dark">
      <div class="oe_row">
          <h2 class="oe_slogan">Organize Your Tracks</h2>
          <h3 class="oe_slogan">From the talk proposal to the publication</h3>
          <div class="oe_span6">
              <p class='oe_mt32'>
                  Add a talk proposal form on your events to allow visitors to
                  submit talks and speakers. Organize the validation process
                  of every talk, and schedule easily.
              </p><p>
                  Odoo's unique frontend and backend integration makes
                  organization and publication so easy. Easily design beautiful
                  speaker biographies and talks description.
              </p>
          </div>
          <div class="oe_span6">
              <div class="oe_bg_img oe_centered">
                  <img class="oe_picture oe_screenshot" src="tracks.png">
              </div>
          </div>
      </div>
  </section>
  
  <section class="oe_container">
      <div class="oe_row">
          <h2 class="oe_slogan">Agenda and List of Talks</h2>
          <h3 class="oe_slogan">A strong user interface</h3>
          <div class="oe_span6">
              <img class="oe_picture oe_screenshot" src="tracks.png">
          </div>
          <div class="oe_span6">
             <p class='oe_mt32'>
               Get a beautiful agenda for each event published automatically on
               your website.  Allow your visitors to easily search and browse
               talks, filter by tags, locations or speakers.
             </p>
          </div>
     </div>
  </section>
  
  <section class="oe_container oe_dark">
      <div class="oe_row">
          <h2 class="oe_slogan">Manage Sponsors</h2>
          <h3 class="oe_slogan">Sell sponsorship, promote your sponsors</h3>
          <div class="oe_span6">
            <p class='oe_mt32'>
              Add sponsors to your events and publish sponsors per level (e.g.
              bronze, silver, gold) on the bottom of every page of the event.
            </p><p>
              Sell sponsorship packages online through the Odoo eCommerce for
              a full sales cycle integration.
            </p>
          </div>
          <div class="oe_span6">
              <img class="oe_picture oe_screenshot" src="sponsor.png">
          </div>
     </div>
  </section>
  
  <section class="oe_container">
      <div class="oe_row">
          <h2 class="oe_slogan">Communicate Efficiently</h2>
          <h3 class="oe_slogan">Activate a blog for some events</h3>
          <div class="oe_span6">
              <img class="oe_picture oe_screenshot" src="blog.png">
          </div>
          <div class="oe_span6">
             <p class='oe_mt32'>
               You can activate a blog for each event allowing you to communicate
               on specific events. Visitors can subscribe to news to get informed.
             </p>
          </div>
     </div>
  </section>
  
  
  