vue render slot programmatically - ant-design bm888 slot

Làm sao chuyển đổi slot slot-scope từ Vue 2 sang v-slot trong Vue 3 · Ant desgin · Ant Design hay Marterial-UI ?

If the root component of your application doesn't have a template or render option specified, Vue will try to use the innerHTML of the mounted element as the template instead ...

but from where does vue know the source of the objects? If I render it like the doc says, I get the number of items and items, but without content.