How to check StaticConnectIdentifier and other properties using Data Guard Broker

DGMGRL> show database cdb 'StaticConnectIdentifier'
  StaticConnectIdentifier = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=oricdb01.oric.no)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=cdb_DGMGRL.skead.no)(INSTANCE_NAME=cdb)(SERVER=DEDICATED)))'

There are several other properties that you can check, too. See this post for a couple of examples

The documentation differntiates between monitorable (read only) and configurable properties.