.net core rest api method example

restapi.cs

[HttpGet("{id}")]
public async Task<ActionResult<TodoItem>> GetTodoItem(long id)
{
    var todoItem = await _context.TodoItems.FindAsync(id);

    if (todoItem == null)
    {
        return NotFound();
    }

    return todoItem;
}

public class TodoItem
{
        public long Id { get; set; }
        public string Name { get; set; }
        public bool IsComplete { get; set; }
}