Qlik Sense - Security rule to open only Bookmarks

[#1]

hello,

I have just started using Qlik Sense (2.0.3) and am required to only have the Bookmarks available to users.

i.e. When the App is opened, it does not show the "Sheets" selection, only the "Bookmarks" selection

I have tried creating a Security Rule as:

resource.objectType = "bookmark"

but this does not appear to be working.

Does anyone have any ideas?

thank you,