Not sure which version are you using as tableau actually support workbook in tooltip in later version as shown below
A sample workbook attached for your reference.
Hope this helps
Book1_v10.5.twbx 15.7 KB
You can use worksheet in tooltip, which is one of the newer features from Tableau.
Create the initial view:
Then create another worksheet with the list of items, put it on rows and text and then hide the header in rows:
Add this sheet into the tooltip:
The hover over will then show you the list:
Please find the attached workbook.
Toolltip_v10.2.twbx 7.4 MB
This is exactely what I need but I am unable to open the file you shared.
It is showing error while opening. Can you please show the steps or share the updated file in twbx format.
It is because of your version. as I mentioned, this feature is with later version of tableau, I think it came with 10.5 and above. Not sure which version you are using
below is the link for your reference.