Serialization is not working properly

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):

Describe the issue:

We are deserializing a JSON object from DynamoDB to AWS Opensearch using Elastic Search Stream and Lambda and also using OpenSearch SDK in C# code to retrieve the indexed documents but the .Net serlization is not happening properly at the C# .Net code . All the class properties are null. Attaching screenshots for only one property “LastUpdatedDate”.

Then I used the same class in .Net code and inserted the document into Elastic Search using C# code like below code. It’s working fine and returning the expected results.

var response = await _client.IndexAsync(dbModel, i => i.Index(“test-index4”));


Relevant Logs or Screenshots:

what libraries are you using to interface with opensearch?

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