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CSharp · Console

/Program.cs

using System;
using System.Text.Json;
					
public class Program
{
	public static void Main()
	{
		var model = new
		{
			Name = "Alexander"
		};
		
		var serializedModel = JsonSerializer.Serialize(model);
		
        var deserializedModel = JsonSerializer.Deserialize<HasName>(serializedModel);
		SomeExternalLib.Foo(deserializedModel);			
	}
}

class SomeExternalLib
{
	public static void Foo(object o)
	{
		var nameProperty = o.GetType().GetProperty("Name");
		var name = nameProperty.GetValue(o);
		Console.WriteLine("I got the name: " + name);
	}
}

class HasName
{
	public string Name { get; set; }
}