<input type="hidden" name="thread_id" value="{{$thread->id}}">

<div class="form-group row">
    <div class="col-sm-12">
        <textarea name="body" class="form-control" style="width: 100%" placeholder="Reply to this thread"></textarea>
    </div>
</div>
<div class="form-group">
    {!! Form::button('<i class="far fa-save" aria-hidden="true"></i> '.$submitButtonText, ['type' => 'submit', 'class'=>'btn btn-primary form-control']) !!}
</div>
