|  | MQTT C Client Libraries Internals
    | 
Data for a connack packet. More...
#include <MQTTPacket.h>

| Data Fields | |
| Header | header | 
| MQTT header byte. | |
| union { | |
| unsigned char all | |
| all connack flags | |
| struct { | |
| bool sessionPresent: 1 | |
| was a session found on the server? | |
| unsigned int reserved: 7 | |
| message type nibble | |
| } bits | |
| } | flags | 
| connack flags byte | |
| unsigned char | rc | 
| connack reason code | |
| unsigned int | MQTTVersion | 
| the version of MQTT | |
| MQTTProperties | properties | 
| MQTT 5.0 properties.  More... | |
Data for a connack packet.
| MQTTProperties Connack::properties | 
MQTT 5.0 properties.
Not used for MQTT < 5.0
 1.8.17
 1.8.17