Java API to append/insert a Key:Value pair if a bin already has Map type data

If we are storing a MAP of data in a record and in a bin, we can use PUT API. For the given record it overwrites the existing data in BIN. Is there any API available to just add a new Key:Val pair in a existing map in existing bin?

For simple data types like String, I see API is available to do APPEND. But I could not find equivalent one if MAP is stored in a BIN. any API Available for the same?

There are several APIs to choose from: https://www.aerospike.com/docs/guide/cdt-map-ops.html#add.

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