Pubsub discovery announcement message support in open62541

[Charanraj O]

Problem statement: Do we have support for Pubsub discovery announcement message with DataSetMetaData in open62541?

We are using pubsub feature in open62541. Publisher (open62541  SDK) is publishing the data to the subscriber (Prosys OpCua browser), we are able to receive the data, but variable name is not displaying, root cause is publisher (open62541) not handling discovery query frame and discovery response.

Whether we get any callback event or we need to register the callback for the discovery query frame from the subscriber. I have seen the discovery is not supported in open62541 SDK, any callback is supported for this event . So we can start implementing on our application layer. Please let me know. 

Share me the quotation for commercial support we are using open62541SDK for professional and enterprise level. We need your input on this to go forward.