How to pass JsonSerializerSettings() to Serializer in SDK 3.0.6?

I managed to get the settings working by using this:

Only issue now is getting C# Object Properties with Proper Naming to be saved in all lower case when insert/upsert into Couchbase.

In 2.7 some how it was working with no settings I am aware of, but now seems to be using the literal Property Name in Couchbase.