You can effortlessly incorporate any desired widgets into your scene.
Click on the Contents tab on the left-hand side menu.
On the Contents page, click on the Create button located on the top right to create new content or login to the existing one.
Click on Add and select Scene from the dropdown list.
Hover over the Scene and click on Scene Designer.
Click on the Insert Widget button at the top of the page to list the available widgets.
Select the any widget and click on the Select button.