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ActionSubscriber QML Type

Subscribes to rosgraph_msgs::msg::Action messages — Describes a single Action endpoint, which may be a Server or Client. More...

Import Statement: import QtRos2.RosgraphMsgs
Inherits:

SubscriberBase

Status: Experimental Extension

Properties

Signals

Detailed Description

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

See also ActionPublisher and action.

Property Documentation

cancelGoal : service

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

feedback : topic

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

getResult : service

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

message : action

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

name : string

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

sendGoal : service

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

status : topic

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

Signal Documentation

messageReceived(action msg)

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

Note: The corresponding handler is onMessageReceived.

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