OnlineShop/AppWithRabbitMq/OnlineShop/OnlineShop.ApiService/LocationHub.cs

using Microsoft.AspNetCore.SignalR;

namespace OnlineShop.ApiService;

public class LocationHub : Hub
{
    public async Task UpdateLocation(
        double latitude,
        double longitude)
    {
        await Clients.All.SendAsync(
            "ReceiveLocationUpdate",
            latitude,
            longitude);
    }
}