abp/templates/console/src/MyCompanyName.MyProjectName/MyProjectNameHostedService.cs

using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Volo.Abp;

namespace MyCompanyName.MyProjectName;

public class MyProjectNameHostedService : IHostedService
{
    private readonly HelloWorldService _helloWorldService;

    public MyProjectNameHostedService(HelloWorldService helloWorldService)
    {
        _helloWorldService = helloWorldService;
    }

    public async Task StartAsync(CancellationToken cancellationToken)
    {
        await _helloWorldService.SayHelloAsync();
    }

    public Task StopAsync(CancellationToken cancellationToken)
    {
        return Task.CompletedTask;
    }
}