Querying dictionaries in RavenDB

gistfile1.cs

private static void DictionaryTest()
{
	var store = new EmbeddableDocumentStore
					{
						RunInMemory = true                                
					};
	store.Configuration.TempIndexPromotionMinimumQueryCount = 1;
	store.Initialize();
	var entry1 = new ClassWithDictionary { Name = "With test", Dictionary = new Dictionary<string, string> { { "test", "value" } } };
	var entry2 = new ClassWithDictionary { Name = "Without test", Dictionary = new Dictionary<string, string> { { "nottest", "value" } } };
	var entry3 = new ClassWithDictionary { Name = "Empty" }; //empty dictionary

	using (var session = store.OpenSession())
	{                
		session.Store(entry1);
		session.Store(entry2);
		session.Store(entry3);
		session.SaveChanges();
	}

	using (var session = store.OpenSession())
	{
		var rawQuery = session.Advanced.LuceneQuery<ClassWithDictionary>()
			.WaitForNonStaleResultsAsOfNow()
			.OpenSubclause()
			.Where("Dictionary,Key:*")
			.AndAlso()
			.Not
			.WhereEquals("Dictionary,Key", "test")
			.CloseSubclause()
			.OrElse()                   
			.WhereEquals("Dictionary", @"{}");                
		Console.WriteLine(rawQuery.ToString());
		var results = rawQuery.ToList();
		Console.WriteLine(results.Count + ", " + String.Join(", ", results.Select(x => x.Name)));
	} 
}

public class ClassWithDictionary
{
	public ClassWithDictionary()
	{
		Dictionary = new Dictionary<string, string>();
	}
	public Dictionary<string, string> Dictionary { get; set; }
	public string Name { get; set; }
} 

Hey hi,
In My application, I want to create dictionary type document in ravendb using CheckBoxListFor
Now the My Question is how to store selectedListItem in dictionary?
Can you help me?