maxLength will only work when allowCustomEntry is set to true. This prevents users from typing more than the allowable number of characters.
Form Control values:
Number of characters you can type in the input. This will only work when used with allowCustomEntry
Allow custom items to be added by the user. Note: `control` must accept `string` type if set to `true`.
default placeholder when there's no entry yet
This event carries the item that was removed.