OptionalminPeriod?: undefinedIf policy=immediate or ideal, consecutive messages will be buffered until minPeriod has expired so the receiver is not swamped.
Optionalperiod?: numberThe subscription will be sent every period millisecs.
Optionalpolicy?: "fixed"fixed - Send the last known values every period.inline - Send all changes as fast as they are received, but no faster than minPeriod. With this policy the client has an immediate copy of the current state of the server.Optionalformat?: "delta"The signal K format to use for the message. Only delta is currently supported. See Signal K Data Model
Optionalpath?: PathThe path to subscribe to.
A path object with optional criteria to control output