.TH MQTTASYNC_SUBSCRIBE 1 "31 December 2020 (v1.3.8)" http://eclipse.org/paho .SH NAME MQTTAsync_subscribe \- asynchronously subscribe to the topic MQTT Examples .SH SYNOPSIS .B MQTTAsync_subscribe .SH DESCRIPTION .B MQTTAsync_subscribe asynchronously subscribes to the topic MQTT Examples to receive the message "Hello World!" from other examples. .SH SEE ALSO .BR MQTTAsync_publish (1) .BR MQTTAsync_publish_time (1) .BR MQTTClient_publish_async (1) .BR MQTTClient_publish (1) .BR MQTTClient_subscribe (1)