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TransitionDescriptionSubscriber QML Type

Subscribes to lifecycle_msgs::msg::TransitionDescription messages — The transition id and label of this description. More...

Import Statement: import QtRos2.LifecycleMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

TransitionDescriptionSubscriber receives transitionDescription values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.

See also TransitionDescriptionPublisher and transitionDescription.

Property Documentation

goalState : state

The goalState field of the last received message. Updated whenever a new message arrives. goalStateChanged is emitted on every update.

message : transitionDescription

The last message received on topic. Updated whenever a new message arrives.

startState : state

The startState field of the last received message. Updated whenever a new message arrives. startStateChanged is emitted on every update.

transition : transition

The transition field of the last received message. Updated whenever a new message arrives. transitionChanged is emitted on every update.

Signal Documentation

messageReceived(transitionDescription msg)

Emitted when a new transitionDescription arrives on topic. msg contains the received value.

Note: The corresponding handler is onMessageReceived.

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