Add new id generation to NFFG class
Add new id generation to NFFG class

hsnlab/escape,hsnlab/escape,hsnlab/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,hsnlab/escape,hsnlab/escape,5GExchange/escape,hsnlab/escape,5GExchange/escape,5GExchange/escape