Wherein the creation of a rospy action server and action client is discussed in general and with a specific example. Feedback, result, etc. Tutorial style. A launch file for the example is also shown. This lecture was recorded at Saint Martin's University in the Spring 2020 term as part of the course Robotics with ROS (see the course website http://ricopic.one/courses/robotics/). It is the property of the instructor Dr. Rico Picone.