Create & Control Semantic UI Tab with Angular Directives
        optional
      required
      
        tabs = an object where the keys are the names of the tabs and the values are the title on the tab.active = a reference to the name of the active tab.settings = a reference to a settings object to pass to the initialization function.These attribute directives invoke a behavior on the component where the attribute value can be one of the following formats:
$ @ A selector string.evt @ The event string which triggers the behavior ('click' by default).enabled = A boolean value which determines whether or not the behavior should be called when the event occurs.value = The first argument to pass to the behavior if it requires one.