Hi Amy,
No, the START/PAUSE button needs to be press when putting additional clothes.
Here is a link to the user manual, kindly go to page 29 to learn more on how to put additional clothes.
User manual.
https://downloadcenter.samsung.com/content/UM/202405/20240520094410937/DC68-03850F-04_IB_WA3000A_EN.pdf
Thank you and have a great day!
-Ricardo