Set interface for APs that connect to unmanaged switch

hello fellas

so i have a senario like this ( image ) and i want to run a hotspot service in my APs . when i try to set hotspot wizard ask me about hotspot interface but i don’t have any interface for my APs !
how can i set interface for my APs and run one hotspot on all of them

thank you for your support and shine on :slight_smile: