QMqttSubscriptionProperties Class

The QMqttSubscriptionProperties class represents configuration options a QMqttClient can pass to the server when subscribing to a topic filter. More...

Header: #include <QMqttSubscriptionProperties>
CMake: find_package(Qt6 COMPONENTS Mqtt REQUIRED)
target_link_libraries(mytarget PRIVATE Qt6::Mqtt)
qmake: QT += mqtt
Since: Qt 5.12

Public Functions

void setSubscriptionIdentifier(quint32 id)
void setUserProperties(const QMqttUserProperties &user)
quint32 subscriptionIdentifier() const
QMqttUserProperties userProperties() const

Detailed Description

Note: Subscription properties are part of the MQTT 5.0 specification and cannot be used when connecting with a lower protocol level. See QMqttClient::ProtocolVersion for more information.

Member Function Documentation

void QMqttSubscriptionProperties::setSubscriptionIdentifier(quint32 id)

Sets the subscription identifier to id.

See also subscriptionIdentifier().

void QMqttSubscriptionProperties::setUserProperties(const QMqttUserProperties &user)

Sets the user properties to user.

See also userProperties().

quint32 QMqttSubscriptionProperties::subscriptionIdentifier() const

Returns the subscription identifier used to describe this subscription.

See also setSubscriptionIdentifier().

QMqttUserProperties QMqttSubscriptionProperties::userProperties() const

Returns the user specified properties.

See also setUserProperties().

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