*MQTT* client handle for this event.
Data associated with this event.
Length of the data for this event.
Total length of the data (longer data are supplied with multiple events).
Actual offset for the data associated with this event.
Topic associated with this event.
Length of the topic for this event associated with this event.
*MQTT* messaged id of message.
*MQTT* session_present flag for connection event.
esp-mqtt error handle including esp-tls errors as well as internal *MQTT* errors.
Retained flag of the message associated with this event.
QoS of the messages associated with this event.
dup flag of the message associated with this event.
MQTT protocol version used for connection, defaults to value from menuconfig.
MQTT 5 property associated with this event.