FB.Constants.INVALID_ID Identifier of a PB Slave
and identified [...] the Object Identifier
EventType UINT Identifies
the identifier, cobld, data
/RTR/Extended Identifier bit. Use
and identified [...] identifies the property
Subscription is identified [...] MQTTSubscribeProperties.udiSubscriptionIdentifier [...] Properties.bWildcardSubscriptionAvailable, MQTTConnackProperties.bSubscriptionIdentifier
