bookstack/resources/views/entities/watch-controls.blade.php

<form action="{{ url('/watching/update') }}" method="POST">
    {{ method_field('PUT') }}
    {{ csrf_field() }}
    <input type="hidden" name="type" value="{{ get_class($entity) }}">
    <input type="hidden" name="id" value="{{ $entity->id }}">

    <ul refs="dropdown@menu" class="dropdown-menu xl-limited anchor-left pb-none">
        @foreach(\BookStack\Activity\Tools\UserWatchOptions::getAvailableLevelNames() as $option)
            <li>
                <button name="level" value="{{ $option }}" class="icon-item">
                    @if($watchLevel === $option)
                        <span class="text-pos pt-m"
                              title="{{ trans('common.status_active') }}">@icon('check-circle')</span>
                    @else
                        <span title="{{ trans('common.status_inactive') }}"></span>
                    @endif
                    <div class="break-text">
                        <div class="mb-xxs"><strong>{{ trans('entities.watch_title_' . $option) }}</strong></div>
                        <div class="text-muted text-small">
                            {{ trans('entities.watch_desc_' . $option) }}
                        </div>
                    </div>
                </button>
            </li>
            <li>
                <hr class="my-none">
            </li>
        @endforeach
        <li>
            <a href="{{ url('/preferences/notifications') }}"
               target="_blank"
               class="text-item text-muted text-small break-text">{{ trans('entities.watch_change_default') }}</a>
        </li>
    </ul>
</form>