/kb/events/*

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/kb/events/* Quick Facts

Category

💡 Knowledge and reasoning

Direction

➡️ you normally subscribe to this topic.

Event notifications for previously subscribed events. See /kb/events for details.

Quick snippets

Check the publication rate

$ ros2 topic hz /kb/events/*

Display the data published on the topic

$ ros2 topic echo /kb/events/*

How to use in your code

PythonC++

Subscribe to the topic using Python

#!/usr/bin/env python

import rclpy
from rclpy.node import Node

from .msg import


class Subscriber(Node):

    def __init__(self):
        super().__init__('kb_events_subscriber')
        self.subscription = self.create_subscription(
            ,
            '/kb/events/*',
            self.listener_callback,
            10)

    def listener_callback(self, msg):
        self.get_logger().info('I heard: "%s"' % msg.data)


if __name__ == '__main__':
    rclpy.init(args=args)

    subscriber = *Subscriber()

    rclpy.spin(subscriber)

    rclpy.shutdown()