Minimal ROS Service caller

minimal_service_caller.cpp

#include "ros/ros.h"
#include "gazebo_msgs/DeleteModel.h" 

int main(int argc, char **argv){
  ros::init(argc, argv, "service_client"); // Initialise a ROS node with the name service_client
  ros::NodeHandle nh;
  
  // Create the connection to the service /gazebo/delete_model
  ros::ServiceClient delete_model_service = nh.serviceClient<gazebo_msgs::DeleteModel>("/gazebo/delete_model");
  gazebo_msgs::DeleteModel srv; // Create an object of type DeleteModel
  srv.request.model_name = "bowl_1"; // Fill the variable model_name of this object with the desired value
  
  if (delete_model_service.call(srv)) // Send through the connection the name of the object to be deleted by the                                             // service
  {
    ROS_INFO("%s", srv.response.status_message.c_str()); // Print the result given by the service called
  }
  else
  {
    ROS_ERROR("Failed to call service delete_model");
    return 1;
  }

  return 0;
}