MQTTProperty - Man Page

enum MQTTPropertyCodes identifier
union {
  unsigned char byte
  unsigned short integer2
  unsigned int integer4
  struct {
     MQTTLenString data
     MQTTLenString value
  }
} value

The MQTT V5 property id. A multi-byte integer.

holds the value of a byte property type

holds the value of a 2 byte integer property type

holds the value of a 4 byte integer property type

The value of a string property, or the name of a user property.

The value of a user property.

The value of the property, as a union of the different possible types.