How can i use multi-husky robots with laser scanner in gazebo?

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I am new to ROS and Gazebo. I am using ros indigo and gazebo 2. I am using husky to simulate the system in gazebo simulator.

I have used your package for multi-husky mentioned here: https://www.clearpathrobotics.com/201...

It works fine with me. But I have a problem in using the laser scanner and the Kinect. I think they are mounted on the robots but they are not publishing to any topic. I found the topics of the laser scanner (/scan) but the scanner is not publishing to it and I want to have a topic for each robot’s scanner. Also when I try to add the scanner in Rviz I can’t find it in the topics of each robot.