Axis Q8752-E Mk II - Page 61

61
can let the broker deliver a message to other clients. This LWT message has the same form as an ordinary
message and gets routed via the same mechanics.
Send message: Turn on to send messages.
Use default: Turn off to enter your own default message.
Topic: Enter the topic for the default message.
Payload: Enter the content for the default message.
Retain: Select to keep the state of client on this Topic
QoS: Change the QoS layer for the packet flow.
MQTT publication
Use default topic prefix: Select to use the default topic prefix, that is defined in the device topic prefix in the
MQTT client tab.
Include topic name: Select to include the topic that describes the condition in the MQTT topic.
Include topic namespaces: Select to include ONVIF topic namespaces in the MQTT topic.
Include serial number: Select to include the device’s serial number in the MQTT payload.
Add condition: Click to add a condition.
Retain: Defines which MQTT messages are sent as retained.
• None: Send all messages as non-retained.
• Property: Send only stateful messages as retained.
• All: Send both stateful and stateless messages as retained.
QoS: Select the desired level for the MQTT publication.
MQTT subscriptions
Add subscription: Click to add a new MQTT subscription.
Subscription filter: Enter the MQTT topic that you want to subscribe to.
Use device topic prefix: Add the subscription filter as prefix to the MQTT topic.
Subscription type:
• Stateless: Select to convert MQTT messages into a stateless message.
• Stateful: Select to convert MQTT messages into a condition. The payload is used as the state.
QoS: Select the desired level for the MQTT subscription.
MQTT overlays
AXIS Q8752-E Mk II Bispectral PTZ Network Camera