How do I pass a FunctionalComponent to a slot/prop?

[Modjular]

In my v-list, I want to replace the collapse-icon with a spinner. In the api: https://vuetifyjs.com/en/api/v-list-group/ it gives the following four options for the props:

 string
  | (string | [string, number])[]
  | (new () => any)
  | FunctionalComponent

I've tried importing the component, but now I have to figure out how to pass props to it:

import { VProgressCircular } from "vuetify/components";

...
<template>
  <v-list>
    <v-list-group :append-icon="VProgressCircular">...

Any help?

[Modjular]

Obligatory "I don't know if this is the best way of doing it" but I accomplished my goal this way:

import { h } from "vue";
import { VProgressCircular } from "vuetify/components";


...
<template>
  <v-list>
    <v-list-group :append-icon="h(VProgressCircular)">...