Material Dashboard Sidebar Dropdown Menu

<li class="nav-item">
                <a class="nav-link" data-toggle="collapse" href="#your-menu-id">
                    <i class="material-icons">content_paste</i>
                    <p>Your Menu Name
                        <b class="caret"></b>
                    </p>

                </a>

                <div class="collapse" id="your-menu-id">
                    <ul class="nav">

                        <li>
                            <a class="nav-link" href="#">
                                <i class="material-icons">add_circle_outline</i>
                                <span class="sidebar-normal">Sub menu 1</span>
                            </a>

                        </li>



                        <li>
                            <a class="nav-link" href="#">
                                <i class="material-icons">>add_circle_outline</i>
                                <span class="sidebar-normal">Sub menu 2</span>
                            </a>

                        </li>
                        <li>
                    </ul>
                </div>
            </li>