namespace FetchAppsettingsValue.Controllers { using Microsoft.AspNetCore.Mvc; using Microsoft.Extensions.Options; using System.Collections.Generic; [Route("api/Option")] [ApiController] public class OptionController : ControllerBase { private readonly IOptions<Logging> _logging; public OptionController(IOptions<Logging> logging) { _logging = logging; } // GET: api/Option [HttpGet] public IEnumerable<string> Get() { var result = _logging.Value.LogLevel.Default; // "Information" return new string[] { result }; } } }