...
Level of QoS at which to publish.
retain_flag
Flag indicating if the retain flag in the PUBLISH
header needs to be set.
payload_str
String containing the payload to publish. Must stay valid until the message has been completely sent.
...
...
Level of QoS at which to publish.
retain_flag
Flag indicating if the retain flag in the PUBLISH
header needs to be set.
payload_str
String containing the payload to publish. Must stay valid until the message has been completely sent.
...