How to add third person follower in librviz.

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HI , I am trying to add thridpersonfollower view with view controller in my application in base_link frame. I am new in using librviz and currently handling display in fixedframe of velodyne. I want to follow the bas_link frame with thirdperson follower view. i am trying to get currentviewcontroller from view manager as follows. Please suggest and solve me in getting the desired output.

manager_->getViewManager()->setCurrentViewControllerType("rviz/ThirdPersonFollower");

manager_->getViewManager()->getCurrent()->setProperty("Target Frame", "base_link");