How do I add a new button to the POS menu (New Category)

1. Look on your left side panel, and click POS
   
   
   
2. Click POS Menu
   
   
   
3. Click Product
   
   
   
4. Click POS Menu
   
   
   
5. Click Main here, and select your category to add in new item
   
   
   
6. Click the ‘+’
   
   
   
7. Key in your item code at Parameter 1, then copy & paste your item description
   * Make sure all red arrow area is fill in, and then save it