Chapter 2. API Reference
CONFIG_MQTT_TRANSPORT_WEBSOCKET
Enable MQTT over Websocket
Found in: Component config > ESP-MQTT Configurations
Enable MQTT transport over Websocket.
Default value:
• Yes (enabled)
CONFIG_MQTT_TRANSPORT_WEBSOCKET_SECURE
Enable MQTT over Websocket Secure
Found in: Component config > ESP-MQTT Configurations > CON-
FIG_MQTT_TRANSPORT_WEBSOCKET
Enable MQTT transport over Websocket Secure.
Default value:
• Yes (enabled)
CONFIG_MQTT_MSG_ID_INCREMENTAL
Use Incremental Message Id
Found in: Component config > ESP-MQTT Configurations
Set this to true for the message id (2.3.1 Packet Identifier) to be generated as an incremental number
rather then a random value (used by default)
Default value:
• No (disabled)
CONFIG_MQTT_SKIP_PUBLISH_IF_DISCONNECTED
Skip publish if disconnected
Found in: Component config > ESP-MQTT Configurations
Set this to true to avoid publishing (enqueueing messages) if the client is disconnected. The
MQTT client tries to publish all messages by default, even in the disconnected state (where
the qos1 and qos2 packets are stored in the internal outbox to be published later) The
MQTT_SKIP_PUBLISH_IF_DISCONNECTED option allows applications to override this behaviour
and not enqueue publish packets in the disconnected state.
Default value:
• No (disabled)
CONFIG_MQTT_REPORT_DELETED_MESSAGES
Report deleted messages
Found in: Component config > ESP-MQTT Configurations
Set this to true to post events for all messages which were deleted from the outbox before being correctly
sent and confirmed.
Default value:
• No (disabled)
Espressif Systems 1207
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