Sidebar tab

i have the mdbs sidebar and a div that wrapps the content now my problem is how do i turn that sidebar into a working tab menu added data-toggle="tab" href="#panel1" role="tab" to a list item added role="tablist" to the unorderd list called customscrollbar in mdbs sidebar in my case added the tab-content div from tab's and pills aswell but somehow it did not work   oh and to avoid confusion i dont use the full mdbs sidebar the sidebar wrapper is custom to avoid the default sidebar behavour like hidden in laptop and smaller sizes and been absolute over the entire page   can i get a clear explenaation why the tabs in custom_scrollbar does not work what im i doing rong here?

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