foundryvtt-reve-de-dragon/templates/item-possession-sheet.html

<form class="{{cssClass}}" autocomplete="off">
    <header class="sheet-header">
        <img class="profile-img" src="{{img}}" data-edit="img" title="{{name}}"/>
        <div class="header-fields">
            <h1 class="charname"><input name="name" type="text" value="{{name}}" placeholder="Name"/></h1>
        </div>
    </header>
    
    {{!-- Sheet Body --}}
    <section class="sheet-body">
        <div class="form-group">
          <label for="xp">Type de possession </label>
          <input class="attribute-value" type="text" name="system.typepossession" value="{{system.typepossession}}" data-dtype="String"/>
        </div>
        <div class="form-group">
          <label for="xp">Possédé ? </label>
          <input class="attribute-value" type="checkbox" name="system.istrue"  {{#if system.istrue}}checked{{/if}}/>
        </div>
        <div class="form-group">
          <label for="xp">Compteur </label>
          <input class="attribute-value" type="text" name="system.compteur" value="{{system.compteur}}" data-dtype="Number"/>
        </div>
  
      
      {{>"systems/foundryvtt-reve-de-dragon/templates/partial-item-description.html"}}
    
    </section>
    
</form>