MQTT_UNSUBACK_RCODE_FILTER_T¶

This class provides operations for describing the reason code in the MQTT UNSUBACK message

This topic lists the expressions that are provided by this class.

COUNT

Return the number of topics for which reason codes were received in the MQTT UNSUBACK message. Valid for MQTT version 5 onwards.

Returns: num_at

REASON_CODE

Return the reason code for the first topic in the MQTT UNSUBACK message. Valid for MQTT version 5 onwards.

Returns: num_at

REASON_CODE (uint index)

Return the reason code for the topic indexed at index in the MQTT UNSUBACK message. Valid for MQTT version 5 onwards.

Parameters:

index- REASON_CODE index

Returns: num_at