options a list of people, then type @ in the field to pick one and insert their handle into the text.size to large or small to match the other fields in your form, with medium as the default.variant to outlined, filled, text, underlined, borderless or bare, the same six styles Input and Select use. text fills on hover and while focused, and bare draws nothing at all.status to warning or error to color the field's border when its value needs attention.prefix an array and swap options in onSearch, which receives the typed trigger, so @ lists people and # lists labels.onSearch, show loading while the request runs, and set filterOption={false} so the results are not filtered again.autoSize to grow the field by one row for every line of text, with no upper limit.autoSize a minRows and maxRows to keep the field between two heights and scroll the text past the limit.allowClear to show a button at the end of the field that empties the whole value in one click.disabled to gray out the field, which then takes no focus and opens no suggestion list.readOnly to keep the text focusable and selectable while blocking edits and the @ list.placement="top" to open the suggestion list above the field, for inputs that sit near the bottom of the screen.Form.Item rule to validate the text, like requiring at least one @ mention before the note can be posted.classNames to style one part: textarea for the field and popup for the suggestion list, like a resizable field.