If session must be logged on in role of initiator, defines custom logon message which must be sent at logon. Otherwise has null value.

If session must be logged on in role of initiator, defines value for heartbeat interval in seconds. Otherwise has undefined value.

Specifies whether session must be connected as acceptor or initiator.

If session must be logged on in role of initiator, defines whether 'SetResetSequenceNumbers' flag must be sent within logon message. Otherwise has undefined value.