An interactive setup-menu will appear when adding/removing items. A list is provided as a way to "select" what is list is being edited. The bolded commands are available to everyone while the others require Manage Server.
Add an item to the list provided
Add multiple items to the list provided
Remove an item from
Create a list
Delete a list
Set the randomization cooldown for all users
<list> [2-total items]
Randomize a list once or multiple times without repeats
View all lists or items of a list
Random Number Usage
The randomnumber command has two options. Providing one number will set the minimum to zero. Providing two numbers sets the minimum to the first number, and the maximum to the second number. Negative numbers are supported while fractions are not.