The ui5-multi-combobox component consists of a list box with items and a text field allowing the user to either type a value directly into the text field, or choose from the list of existing items.
The drop-down list is used for selecting and filtering values, it enables users to select one or more options from a predefined list. The control provides an editable input field to filter the list, and a dropdown arrow to expand/collapse the list of available options.
The options in the list have checkboxes that permit multi-selection. Entered values are displayed as tokens.
If the ui5-multi-combobox is focused,
you can open or close the drop-down by pressing [F4], [Alt] + [Up] or [Alt] + [Down] keys.
Once the drop-down is opened, you can use the UP and DOWN arrow keys
to navigate through the available options and select one by pressing the Space or Enter keys.
[Ctrl]+[Alt]+[F8] or [Command]+[Option]+[F8] - Focuses the first link in the value state message, if available. Pressing [Tab] moves the focus to the next link in the value state message, or closes the value state message if there are no more links.
Determines the name by which the component will be identified upon submission in an HTML form. Note: This property is only applicable within the context of an HTML Form element. Note: When the component is used inside a form element, the value is sent as the first element in the form data, even if it's empty.
Defines the value state message that will be displayed as pop up under the component. The value state message slot should contain only one root element. Note: If not specified, a default text (in the respective language) will be displayed. Note: The valueStateMessage would be displayed, when the component is in Information, Critical or Negative value state.