Controller

 public function update(CreateWebsiteRequest $request, $id)
    {
        //
        dd($request->input('pitch'));
        $website = Website::findOrFail($id);
        $website->name = $request->input('name');
        $website->url = $request->input('url');
        $website->country = $request->input('country');
        
        // D'habitude je récupère bien le pich ici si j'ai pa de WYSIWYG
        $website->pitch = $request->input('pitch');
  [[BLABLA]]

HTML généré

<tr>
                     <td><label for="pitch">Pitch</label></td>
                     <td><div class="trumbowyg-box trumbowyg-editor-visible trumbowyg-en trumbowyg">
                     <ul class="trumbowyg-button-pane"><li><button type="button" class="trumbowyg-viewHTML-button" title="View HTML" tabindex="-1">View HTML</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-formatting-button trumbowyg-open-dropdown" title="Formatting" tabindex="-1">Formatting</button></li><li class="trumbowyg-separator"></li>
                     <li><button type="button" class="trumbowyg-strong-button" title="Strong (Ctrl + B)" tabindex="-1">Strong</button></li><li><button type="button" class="trumbowyg-em-button" title="Emphasis (Ctrl + I)" tabindex="-1">Emphasis</button></li><li><button type="button" class="trumbowyg-del-button" title="Deleted" tabindex="-1">Deleted</button></li><li class="trumbowyg-separator"></li><li>
                     <button type="button" class="trumbowyg-link-button trumbowyg-open-dropdown" title="Link" tabindex="-1">Link</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-insertImage-button" title="Insert Image" tabindex="-1">Insert Image</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-justifyLeft-button" title="Align Left" tabindex="-1">Align Left</button>
                     </li><li><button type="button" class="trumbowyg-justifyCenter-button" title="Align Center" tabindex="-1">Align Center</button></li><li><button type="button" class="trumbowyg-justifyRight-button" title="Align Right" tabindex="-1">Align Right</button></li><li><button type="button" class="trumbowyg-justifyFull-button" title="Align Justify" tabindex="-1">Align Justify</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-unorderedList-button" title="Unordered list" tabindex="-1">Unordered list</button></li><li><button type="button" class="trumbowyg-orderedList-button" title="Ordered list" tabindex="-1">Ordered list</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-horizontalRule-button" title="Insert horizontal rule" tabindex="-1">Insert horizontal rule</button></li><li class="trumbowyg-separator"></li><li><button type="button" class="trumbowyg-removeformat-button" title="Remove format" tabindex="-1">Remove format</button></li><li class="trumbowyg-not-disable trumbowyg-buttons-right"><button type="button" class="trumbowyg-fullscreen-button" title="fullscreen" tabindex="-1">fullscreen</button></li></ul>
                     
                     <div class="trumbowyg-editor trumbowyg-reset-css" contenteditable="true" dir="ltr" style="height: 220px;">J'écris dans le wysiwyg</div>
                     
                     <textarea class="pitch trumbowyg-textarea" name="pitch" cols="50" rows="10" id="pitch" tabindex="-1" style="height: 220px;"></textarea>
                     
                     <div class="formatting-trumbowyg-dropdown trumbowyg-dropdown trumbowyg-fixed-top" style="display: none;"><button type="button" class="trumbowyg-p-dropdown-button">Paragraph</button><button type="button" class="trumbowyg-blockquote-dropdown-button">Quote</button><button type="button" class="trumbowyg-h1-dropdown-button">Header 1</button><button type="button" class="trumbowyg-h2-dropdown-button">Header 2</button><button type="button" class="trumbowyg-h3-dropdown-button">Header 3</button><button type="button" class="trumbowyg-h4-dropdown-button">Header 4</button></div>
                     <div class="link-trumbowyg-dropdown trumbowyg-dropdown trumbowyg-fixed-top" style="display: none;"><button type="button" class="trumbowyg-createLink-dropdown-button" title=" (Ctrl + K)">Insert link</button><button type="button" class="trumbowyg-unlink-dropdown-button">Remove link</button></div><div class="trumbowyg-overlay" style="top: 37px; height: 301px;"></div></div></td>
                 </tr>

Vue

           {!! Form::model($website, array('route' => array('websites.update', $website->id ), 'method' => 'PUT')) !!}
                  <tr>
                     <td>{!! Form::label('pitch', 'Pitch') !!}</td>
                     <td>{!! Form::textarea('pitch','',array('class' => 'pitch')) !!}</td>
                 </tr>
                  <tr>
                     <td>Update</td>
                     <td>{!! Form::submit('Update Website!', array('class' => 'btn btn-success')) !!}</td>
                 </tr>
          {!! Form::close() !!}
                 
          <script type="text/javascript">
            $(function()
            {
                $('#pitch').trumbowyg({
                    resetCss: true
                });
            });
          </script>