Please advise if below API calling method is supported.

Q1:

Operation: Refresh only returns partial fields for an index symbol.

E.g. : At startup call on RequestMessage, we only need fields (1,2,3,4). Fields other than 1,2,3,4 are filtered in return data.

Q2:

Operation: Real time update returns full dedicated fields at all time

E.g.: After startup, when there is delta change on one of the fields (1,2,3,4), RFA return all 4 fields as full set at all time. No update is triggered when there is update on other fields within the index.

Batch reading is not an option as we need to receive data via real time trigger by sender.

If there is a method to support the above request, please kindly provide a sample for reference.