A multi select allows data entry by selecting multiple options
Multi selects value must be array that has value of a option as string as you see in the image below.
They have some initial styles and you can change them what you want.
Options input has your options of multi select, every option must be object and in an array.
Option label is shows what you want for your option.
Option value is value of an option.
Label is the text that above of the input text.
Hint is the text that below of the input text.
Placeholder specifies a short hint that describes the expected value of an input text.
Disabled makes the input text unchangeable.