Tooltip over tabview

I would like to have a tooltip while mouse over tabview

I have this like:

{
view: 'tabview',
.
.
tabbar: {
   tooltip:true,
   .
   .
}
cells:[
{
   header: 'header text',
   body: {
      view: 'layout',
      rows:[...]
   }
}
]

I can’t set this for header: {text:‘header text’, tooltip:‘tooltip-text’}
But please how to have tooltip for mouseover on tabviews?

Thanks a lot
Michael

I have found it. :slight_smile: with

tabbar: {
   id: 'proposal-tab-bar',
   css: 'proposal-tab-bar',
   tooltip: function(tab){
   switch(tab.id){
              case 'tab_name1':
                 return 'Text first tab';
              case 'tab_name2':
                return 'second tab';
            }
    },