For alert popup blocks, we should be able to use a "session-cookie" class/option to the block in order to toggle on the session storage cookie. This cookie controls whether the alert popup will show up on subsequent pages within the same tab after being closed.
For alert popup blocks, we should be able to use a "session-cookie" class/option to the block in order to toggle on the session storage cookie. This cookie controls whether the alert popup will show up on subsequent pages within the same tab after being closed.