The content of the item
Optionalhas_Optional. True, if the item has a checkbox
Optionalis_Optional. True, if the item has a checked checkbox
Label of the item
OptionaltypeOptional. For ordered lists, the type of the item label; must be one of "a" for lowercase letters, "A" for uppercase letters, "i" for lowercase Roman numerals, "I" for uppercase Roman numerals, or "1" for decimal numbers
OptionalvalueOptional. For ordered lists, the numeric value of the item label
An item of a list.