How to add cob_gazebo_objects directly from editor

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Hi all,

I installed the ros-kinetic-cob-gazebo-objects package to add more objects in the simulated environment.

This tutorial explains how to spawn objects with a ROS node.

I was wondering if there was also a way to add these objects directly from the editor, by selecting them from the insert tab between the other models in the list.

If I run:

$ export GAZEBO_MODEL_PATH=${GAZEBO_MODEL_PATH}:/opt/ros/kinetic/share/cob_gazebo_objects/Media/models

in the insert tab I see an entry related to these models but I cannot do anything with that because when clicking on it nothing happens.

So, please, can someone explain me how to insert these models from the editor?

Thanks.